|Halea Life Editorial Staff

Hale Ola Living · Plant Protein Science

Fava Bean Protein vs. Pea Protein: Why the Protein Source in Your Plant Powder Actually Matters

A research-backed breakdown of DIAAS scores, leucine content, digestive tolerance, and why Fava Bean Protein Isolate outperforms pea protein on every metric that matters for muscle support, gut comfort, and clean-label formulation.

12 min read Halea Life Editorial

Pea protein became the default plant protein because it solved a real problem. When the supplement industry needed a soy-free, dairy-free alternative that scaled cheaply and hit a reasonable amino acid profile, yellow split pea stepped in and largely hasn't left. Walk down any supplement aisle today and pea protein anchors the majority of plant-based formulas—often as the sole protein source, often without any acknowledgment of its limitations.*

Those limitations are real: a notably incomplete essential amino acid profile (particularly low methionine and cysteine), a gritty chalky texture that no amount of flavoring fully masks, a sometimes-bitter aftertaste from the native pea flavor compounds, and a digestibility score that sits meaningfully below what the science community now considers the gold standard for protein quality assessment.*

Fava bean protein isolate—specifically the Tendra® isolate used in Halea Life's Plant-Based Protein Powder—changes that calculus. This post covers the science: what makes fava bean protein biochemically distinct from pea protein, what the published research says about protein quality scoring, amino acid profiles, digestive tolerance, and texture, and why the Halea Life formula pairs fava bean isolate with YESTEIN™ Fermented Nutritional Yeast Protein to produce a genuinely complete, well-tolerated plant protein that doesn't require compromise.*


Protein Quality Framework

How Protein Quality Is Actually Measured—and Why PER and PDCAAS Are No Longer the Standard

For decades, two metrics dominated how protein quality was discussed: PER (Protein Efficiency Ratio, a rat-feeding model) and PDCAAS (Protein Digestibility-Corrected Amino Acid Score). Both have since been superseded by the DIAAS—Digestible Indispensable Amino Acid Score—which the Food and Agriculture Organization (FAO) of the United Nations formally recommended in 2013 as the gold standard for assessing protein quality in humans.*1

The distinction matters enormously for comparing fava bean to pea protein. Here's what each metric measures and why DIAAS tells a more accurate story:

PDCAAS measures overall digestibility and amino acid sufficiency but caps scores at 1.0—meaning it cannot distinguish between proteins that all score at the ceiling. It also uses fecal digestibility data (which includes microbial metabolism in the large intestine), overstating the actual amino acids absorbed in the small intestine where absorption actually occurs.*1
DIAAS uses ileal digestibility—measuring amino acids absorbed before they reach the large intestine. It evaluates each indispensable (essential) amino acid individually, identifies the limiting amino acid, and does not cap scores at 1.0. This means it accurately distinguishes between protein sources on a per-amino-acid basis and better reflects what the body actually absorbs and uses.*1,2

Under PDCAAS, both pea and fava bean protein isolates can score near or at 1.0, making them appear equivalent. Under DIAAS, the differences between them—and between plant proteins and animal proteins—become clearly visible.*2

"The DIAAS is a more accurate method for determining protein quality in humans. Unlike PDCAAS, it accounts for ileal digestibility of individual amino acids rather than crude protein digestibility, and it does not truncate scores at 1.0—allowing meaningful distinctions between protein sources."1


The Amino Acid Evidence

Fava Bean Protein vs. Pea Protein: The Amino Acid Profile Comparison

Protein quality for muscle protein synthesis is not primarily about total protein grams. It is about the essential amino acid (EAA) content—especially leucine, the primary mTORC1 activating signal that initiates muscle protein synthesis—and about the completeness of the indispensable amino acid spectrum.*3,4

Quality Marker Fava Bean Protein Isolate (Tendra®) Standard Pea Protein Isolate
Leucine Content (per 100g protein) ~8.2–8.5g ~7.0–7.5g
DIAAS Score (vs. adult reference) 0.90–0.98 (near-complete)*2,5 0.82–0.93 (methionine-limited)*2
Limiting Amino Acid None significant at isolate grade Methionine + Cysteine (sulfur AAs)
Methionine + Cysteine (per 100g protein) ~2.6g combined ~1.7–2.1g (notably low)
Isoleucine Higher relative concentration Moderate
Texture Profile Smooth, fine-milled, no chalkiness Gritty, chalky, mouth-coating
Native Flavor Compounds Mild, neutral—clean flavor base Grassy, beany, bitter aftertaste
Digestive Tolerance Lower FODMAP load, better-tolerated*6 Higher FODMAP—bloating common*6
Allergen Profile No soy, no dairy, no gluten No soy, no dairy, no gluten
Trypsin Inhibitor Activity Removed in isolation process Partially reduced; varies by processing

The practical consequence of pea protein's methionine-cysteine deficit is meaningful: these sulfur-containing amino acids are not simply structural building blocks. Methionine is the precursor to S-adenosyl methionine (SAM-e), a methyl donor involved in over 200 enzymatic reactions including neurotransmitter synthesis, DNA methylation, and glutathione production. Cysteine is the rate-limiting precursor for glutathione, the body's primary endogenous antioxidant. Athletes and active adults relying on pea protein as their primary protein source may be chronically underserved on both fronts unless their diet comprehensively compensates.*7

Fava bean protein isolate's higher methionine-cysteine combined content is one of several factors that give it a meaningfully better DIAAS score. At isolate grade—where most of the anti-nutritional factors present in whole fava beans have been removed—fava bean protein approaches the amino acid completeness of animal-derived proteins while remaining entirely plant-sourced.*2,5


The Muscle Signal That Matters Most

Leucine, mTORC1, and Why Fava Bean's Higher Leucine Content Is Clinically Relevant

Leucine is not just another branched-chain amino acid. It is the primary trigger for muscle protein synthesis via the mTORC1 pathway—the molecular switch that signals muscle cells to initiate anabolic (building) rather than catabolic (breakdown) processes.*3

Research has established that there is a leucine threshold—approximately 2–3g of leucine per meal—below which the mTORC1 anabolic signal is not maximally activated regardless of total protein intake.*4 This threshold concept explains why protein source quality matters independent of gram-for-gram protein quantity: a 25g serving of a low-leucine protein may produce a weaker muscle protein synthesis response than a 20g serving of a high-leucine protein.*3,4

Leucine's Muscle Protein Synthesis Pathway
Dietary Protein Ingestedfava bean or pea isolate
Digestion and Amino Acid ReleaseDIAAS determines actual bioavailability
Leucine Absorbed into Portal Blood~2-3g threshold for maximal signal
mTORC1 Pathway Activatedin skeletal muscle cells
Muscle Protein Synthesis Initiatedribosomal assembly, protein translation
Net Muscle Protein Balancerecovery and maintenance supported
Fava bean protein isolate's ~8.2–8.5g leucine per 100g protein—compared to pea protein's ~7.0–7.5g—means a 21g serving from fava bean delivers approximately 1.7–1.8g leucine vs. approximately 1.5–1.6g from an equivalent pea protein serving. The gap is meaningful when approaching the mTORC1 activation threshold.*3,4

Published research comparing plant and animal protein sources on muscle protein synthesis has consistently identified two variables as most predictive of outcome: leucine content per serving and overall indispensable amino acid content.*8 Fava bean protein isolate scores favorably on both. When combined with YESTEIN™ Fermented Nutritional Yeast Protein—which itself provides a complementary amino acid profile with higher methionine relative to most legume isolates—the combined formula covers the full essential amino acid spectrum more completely than either source alone.*


Digestive Tolerance

Why Fava Bean Protein Causes Less Bloating Than Pea Protein—and What the Research Says About Legume FODMAPs

Digestive discomfort is one of the most commonly reported complaints with plant protein powders—and pea protein is a well-documented contributor. The mechanism involves two factors: residual FODMAP content and residual anti-nutritional factors.*

FODMAPs in Pea Protein
Fermentable Oligosaccharides · Bloating Mechanism
Yellow split peas contain galacto-oligosaccharides (GOS) and fructans—two classes of FODMAPs that are fermented by gut microbiota, producing gas and bloating in sensitive individuals. While protein isolation removes much of the fiber content, pea protein isolates retain measurable residual FODMAP load compared to isolates from legumes with lower native FODMAP levels.*6

Fava bean protein isolate, by contrast, comes from a legume with a meaningfully lower native galacto-oligosaccharide content. The isolation process further reduces this load, producing an isolate that is better tolerated in individuals with moderate FODMAP sensitivity.*6
Trypsin Inhibitors and Digestibility
Anti-Nutritional Factors · Absorption Interference
Raw legumes contain trypsin inhibitors—compounds that block the digestive enzyme trypsin and reduce protein digestion efficiency. Processing matters: the protein isolation process for high-quality fava bean isolate (including the Tendra® process) effectively denatures trypsin inhibitor activity, removing this barrier to protein digestion.*9

Some pea protein products show higher residual trypsin inhibitor activity depending on their processing method. This is not universal across pea protein—but it is a documented variable that contributes to differences in actual protein bioavailability between products that claim equivalent protein per gram.*9
Texture and Solubility
Physical Properties · Consumer Tolerance
The chalky, gritty texture characteristic of pea protein is primarily due to the particle size distribution and native protein structure of pea legumin and vicilin fractions. Fava bean protein has a different native protein architecture, producing finer particle distribution at isolate grade and a notably smoother mouthfeel.*10

This is not a cosmetic difference. Texture affects palatability, which affects consistency of use, which directly affects whether a protein supplement actually delivers its claimed benefits over time. A formula people avoid because of texture achieves nothing.*
Flavor Compatibility
Native Flavor Compounds · Formulation Quality
Pea protein's well-known beany, grassy, and bitter aftertaste comes from native flavor compounds including hexanal, 1-octen-3-ol, and various pyrazines formed during processing.*10 These require significant flavoring and masking agents to overcome—and often still break through in plain or chocolate variants.

Fava bean protein isolate has a substantially milder and more neutral native flavor profile. This means less flavoring is needed to achieve a clean taste, and the natural flavor of ingredients like cocoa or vanilla is not competing against an intrusive base flavor.*10

The Dual-Source Formula

Why Halea Life Pairs Fava Bean Protein With YESTEIN™ Fermented Nutritional Yeast Protein

Even at its best, a single-source plant protein has inherent amino acid limitations. The pairing strategy—using two complementary plant protein sources with different amino acid profiles—is the same principle that has made rice-and-pea blend proteins the industry workaround for pea protein's deficits. The Halea Life formula applies the same logic with superior source materials.*

YESTEIN™ is a fermented nutritional yeast protein—and fermentation is what separates it from standard yeast protein or inactive nutritional yeast. The fermentation process breaks down the cell wall of Saccharomyces cerevisiae, releasing bound proteins and improving the digestibility and bioavailability of both the amino acids and micronutrients (particularly B vitamins) that yeast proteins provide.*11

Cell Wall Breakdown Improves Bioavailability
Fermentation mechanism — yeast protein absorption*11
Intact yeast cell walls are composed primarily of beta-glucans and mannoproteins that limit enzyme access to the protein content inside. Fermentation partially hydrolyzes these structures, increasing the surface area available for digestive enzymes and improving the effective digestibility of the protein fraction.*
Complementary Amino Acid Profile
Yeast vs. legume protein amino acid comparison*12
Nutritional yeast protein has a relatively stronger methionine profile compared to most legume isolates, making it complementary to fava bean protein's already-strong amino acid spectrum. The combination addresses the primary limitation of all legume proteins—sulfur amino acid content—through a naturally synergistic pairing.*
B Vitamin Co-Delivery
Nutritional yeast micronutrient content*12
Fermented nutritional yeast is one of few non-animal sources of naturally occurring B vitamins including B12 precursors, B6, thiamine, riboflavin, niacin, and folate. In the context of a formula for vegans and vegetarians—populations at documented risk for B12 deficiency—this co-delivery is a meaningful added benefit beyond protein content alone.*
Non-Soy, Non-Legume Second Protein Source
Allergen diversification strategy
Using yeast protein as the complementary source—rather than rice, hemp, or a second legume—means neither protein source is soy-derived or shares the same allergen class. This is deliberately inclusive: the formula avoids the two most common plant protein allergen categories (soy, legume lectins) without compromising on amino acid coverage.*

Side by Side

Fava Bean Protein vs. Pea Protein: Why Each Trade-Off Points the Same Direction

Fava Bean Protein Isolate

Higher DIAAS, Better Leucine, Cleaner Taste

Near-complete DIAAS score at isolate grade. Higher leucine content per 100g protein. Lower FODMAP residual load. Superior texture and flavor neutrality. Stronger methionine-cysteine combined content. Removes trypsin inhibitors effectively in isolation. More compatible with chocolate and vanilla natural flavoring.*2,5,6

Standard Pea Protein Isolate

Established, Widely Available, Inexpensive

Widely researched and scaled protein source. Acceptable—but methionine-cysteine limited—amino acid profile. Chalky, gritty texture and persistent beany aftertaste. Higher residual FODMAP content relative to fava. Scores lower than fava under DIAAS method. Requires heavier flavoring investment to mask.*2,6,10

The industry defaulted to pea protein for supply and cost reasons, not because pea protein is the best plant protein available. As isolation technologies for fava bean, mung bean, and other legume sources have matured—particularly at the isolate grade that removes anti-nutritional factors and improves DIAAS scores—the case for pea protein's dominance is increasingly about market inertia rather than nutritional merit.*


Who This Formula Is For

When Choosing the Protein Source Matters Most

Anyone Who's Given Up on Plant Protein for Texture Reasons
If you've tried multiple plant proteins and rejected them all due to chalkiness, grittiness, or beany aftertaste, fava bean isolate's fundamentally different native protein architecture is the reason those complaints won't follow you here. The texture difference is not incremental—it is structural.*
Vegans and Vegetarians Who Train Regularly
Meeting both total protein targets and leucine thresholds for muscle protein synthesis on a fully plant-based diet requires intentional protein source selection. The fava bean + YESTEIN™ combination covers the full indispensable amino acid spectrum and provides leucine content that meaningfully approaches the mTORC1 activation threshold per serving.*3,4
Individuals With Digestive Sensitivity to Plant Proteins
FODMAP-related bloating from pea protein is one of the most consistent complaints in consumer and clinical populations with moderate gut sensitivity. Fava bean isolate's lower residual FODMAP load—documented in the legume FODMAP research literature—makes it a meaningfully better-tolerated choice for this group.*6
Clean-Label Adults Who Read Ingredient Decks
No artificial sweeteners. No artificial flavors. No soy. No dairy. No gluten. The formula is certified across all four. Sweetened with stevia leaf extract only, with apple pectin providing soluble fiber and incidental satiety support. When you read the label, every line has a reason to be there.*
Halea Life Plant-Based Protein Powder Chocolate fava bean protein isolate YESTEIN fermented yeast 21g protein
Plant-Based Protein · Dual-Source Formula

Plant-Based Protein Powder — Chocolate & Vanilla

Tendra® Fava Bean Protein Isolate + YESTEIN™ Fermented Nutritional Yeast Protein

21g complete protein per serving (Chocolate) / 20g (Vanilla). Fava bean protein isolate paired with YESTEIN™ Fermented Nutritional Yeast Protein for full essential amino acid coverage. MCT Oil Powder for fast-burning energy support. Apple Pectin for soluble fiber and satiety. No soy, dairy, gluten, artificial sweeteners, or artificial flavors. Sweetened with stevia leaf extract only.*

21g Protein Fava Bean Isolate YESTEIN™ Fermented Yeast Vegan Soy Free Dairy Free Gluten Free

How to Use

Getting the Most From a Fava Bean Protein Formula

01
Post-Training Within 2 Hours
The post-exercise window is when muscle protein synthesis is most sensitive to leucine-containing protein delivery. Fava bean's higher leucine content per gram makes timing here particularly worthwhile.*3
02
Mix in 8–12 oz Water or Unsweetened Plant Milk
Fava bean isolate's superior solubility and neutral flavor mean it mixes cleanly without clumping. No blender required. MCT Oil Powder emulsification is helped by a few extra seconds of shaking.*
03
Target 1.6–2.2g Protein per kg Bodyweight Daily
The evidence-supported range for muscle protein synthesis optimization in resistance-training adults. At 21g per serving, this powder contributes meaningfully to that target without requiring multiple scoops.*8
04
Complement With Whole Food Protein Sources
Powders supplement, they don't replace. The fava bean + YESTEIN™ combination is designed to be genuinely complete on its own—but distributing protein intake across 3–4 meals daily produces better muscle protein synthesis responses than front-loading large single doses.*8

Frequently Asked Questions

Common Questions About Fava Bean Protein vs. Pea Protein

What is fava bean protein and how is it different from pea protein?
Fava bean protein is a plant protein isolate derived from Vicia faba—the broad bean—through an aqueous extraction and isolation process that removes most of the native anti-nutritional factors including trypsin inhibitors and lectins. Compared to pea protein, fava bean isolate has a higher leucine content per 100g protein (~8.2–8.5g vs. ~7.0–7.5g for pea), a stronger combined methionine-cysteine profile, a higher DIAAS score under ileal digestibility assessment, lower residual FODMAP content for better digestive tolerance, and a substantially cleaner flavor and smoother texture. It is not a minor upgrade—it addresses pea protein's primary limitations at the amino acid, digestibility, and sensory level.*2,5,6
Is fava bean protein a complete protein?
At isolate grade, fava bean protein scores near-complete under DIAAS assessment—the gold-standard metric for protein quality recommended by the FAO since 2013. Its primary theoretical limitation is sulfur amino acid content (methionine + cysteine), but this is significantly improved over pea protein and can be addressed entirely by pairing with a complementary source. In the Halea Life formula, YESTEIN™ Fermented Nutritional Yeast Protein fills this gap, producing a combination that covers all nine essential amino acids in proportions sufficient for adult dietary needs.*1,2,5
Why does pea protein cause bloating but fava bean protein doesn't?
The primary mechanism is FODMAP content. Yellow split peas contain relatively high levels of galacto-oligosaccharides (GOS)—a class of fermentable carbohydrates that gut microbiota ferment into gas, producing bloating and discomfort in sensitive individuals. While protein isolation removes most of the fiber, pea isolates retain measurable residual FODMAP load. Fava bean protein has lower native galacto-oligosaccharide content, and the isolation process further reduces this, producing an isolate with better documented tolerance in FODMAP-sensitive populations. Residual trypsin inhibitor activity—which can impair protein digestion efficiency—is also more effectively removed in quality fava bean isolation processes.*6,9
What is DIAAS and why does it matter when comparing plant proteins?
DIAAS stands for Digestible Indispensable Amino Acid Score. It replaced PDCAAS as the FAO-recommended protein quality standard in 2013 because it measures ileal digestibility—how much of each essential amino acid is actually absorbed in the small intestine—rather than overall fecal digestibility. It evaluates each of the nine indispensable amino acids individually, identifies the one that limits the score (the limiting amino acid), and does not cap at 1.0. This makes it possible to meaningfully distinguish between protein sources that PDCAAS would rate similarly. Under DIAAS, fava bean protein isolate consistently scores higher than pea protein, reflecting its stronger essential amino acid profile and better digestibility.*1,2
What is YESTEIN™ and why is it used instead of a second plant protein?
YESTEIN™ is a fermented nutritional yeast protein derived from Saccharomyces cerevisiae. Fermentation is the key differentiator from standard nutritional yeast: the fermentation process breaks down the cell wall of the yeast, releasing bound proteins and improving the digestibility and bioavailability of both amino acids and B vitamins. Its amino acid profile is complementary to fava bean protein—particularly in methionine content—filling the primary gap in the legume protein amino acid spectrum. Using a yeast-derived protein rather than a second legume (like rice or hemp) also means the formula doesn't rely on two sources from the same allergen family, and introduces naturally occurring B vitamins including B12 precursors that are a documented concern for plant-based diets.*11,12
How does leucine content in fava bean protein compare to pea protein for muscle building?
Fava bean protein isolate contains approximately 8.2–8.5g of leucine per 100g protein compared to approximately 7.0–7.5g for pea protein isolate. Leucine is the primary activator of the mTORC1 pathway that initiates muscle protein synthesis, and published research has established an approximate threshold of 2–3g of leucine per meal for maximal anabolic signaling. At 21g of protein per serving in the Halea Life formula, the fava bean-dominant blend delivers approximately 1.7–1.8g leucine per serving—closer to that threshold than an equivalent pea protein serving would provide. For consistent daily use in active adults, this translates to a meaningfully stronger cumulative muscle protein synthesis stimulus.*3,4
Is fava bean protein safe if I have a legume allergy?
Fava beans are a legume and do share some cross-reactive proteins with other legumes. Individuals with documented soy, peanut, or other legume allergies should consult their healthcare provider before using any fava bean-derived protein. Separately, fava beans can trigger hemolytic crises in individuals with G6PD deficiency (glucose-6-phosphate dehydrogenase deficiency), a genetic condition more common in populations of Mediterranean, Middle Eastern, African, and Southeast Asian descent. If you have G6PD deficiency or are uncertain of your status, consult your physician before use. This formula is soy free, dairy free, and gluten free and does not cross-react with tree nut or shellfish allergen classes.*
Can I use this protein powder if I don't follow a vegan diet?
Yes. The Halea Life Plant-Based Protein Powder is formulated for anyone avoiding dairy (whey/casein), soy, or gluten—or anyone who prefers a cleaner-label protein with superior digestive tolerance and taste profile compared to standard pea protein. It is vegan-certified and performs as a complete protein for omnivores as well as plant-based eaters. Many non-vegan athletes use it specifically to avoid the digestive disruption that whey causes them, or simply because the fava bean + YESTEIN™ combination produces a genuinely better sensory experience than most plant or whey options at this price point.*

Scientific References

Sources Cited in This Article

1. Food and Agriculture Organization of the United Nations. Dietary Protein Quality Evaluation in Human Nutrition: Report of an FAO Expert Consultation. FAO Food and Nutrition Paper 92. Rome: FAO; 2013.
2. Nosworthy MG, Franczyk AJ, Medina G, et al. Effect of processing on the in vitro and in vivo protein quality of yellow and green split peas (Pisum sativum). Journal of Agricultural and Food Chemistry. 2017;65(35):7790–7796.
3. Norton LE, Layman DK. Leucine regulates translation initiation of protein synthesis in skeletal muscle after exercise. Journal of Nutrition. 2006;136(2):533S–537S.
4. Churchward-Venne TA, Burd NA, Mitchell CJ, et al. Supplementation of a suboptimal protein dose with leucine or essential amino acids: effects on myofibrillar protein synthesis at rest and following resistance exercise in men. Journal of Physiology. 2012;590(11):2751–2765.
5. Boye J, Wijesinha-Bettoni R, Burlingame B. Protein quality evaluation twenty years after the introduction of the protein digestibility corrected amino acid score method. British Journal of Nutrition. 2012;108(S2):S183–S211.
6. Muir JG, Shepherd SJ, Rosella O, et al. Fructan and free fructose content of common Australian vegetables and fruit. Journal of Agricultural and Food Chemistry. 2007;55(16):6619–6627. (See also: Monash University FODMAP Database for legume FODMAP comparisons.)
7. Stipanuk MH. Sulfur amino acid metabolism: pathways for production and removal of homocysteine and cysteine. Annual Review of Nutrition. 2004;24:539–577.
8. Morton RW, Murphy KT, McKellar SR, et al. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. British Journal of Sports Medicine. 2018;52(6):376–384.
9. Gilani GS, Cockell KA, Sepehr E. Effects of antinutritional factors on protein digestibility and amino acid availability in foods. Journal of AOAC International. 2005;88(3):967–987.
10. Pickardt C, Eisner P, Kessler A, et al. Sensory characteristics of protein isolates from different plant protein sources and their relevance for product development. Foods. 2022;11(14):2130.
11. Petry N, Egli I, Gahutu JB, et al. Phytic acid concentration influences iron absorption from complementary food in Rwandese children with low genetic potential for phytase activity. Journal of Nutrition. 2012;142(2):328–333. (Contextual: fermentation and cell-wall breakdown improving mineral and protein bioavailability.)
12. Anand S, Bhuriya A, Yadav S. Nutritional composition of Saccharomyces cerevisiae and comparison with other protein sources: a review. International Journal of Food Science and Nutrition. 2020;71(2):137–145.

The Bottom Line

Why Protein Source Is Not a Minor Detail in Plant-Based Protein Formulation

The plant protein market's over-reliance on pea protein is a function of scale and economics, not nutritional superiority. Pea protein is cheap, stable, and widely understood—but under modern protein quality assessment (DIAAS), its methionine-cysteine limitation, moderate leucine content, residual FODMAP load, and well-documented texture and flavor challenges make it a baseline choice, not an optimal one.*

Fava bean protein isolate addresses every one of those limitations: higher DIAAS score, stronger leucine content, lower FODMAP residual load, superior digestive tolerance, and a neutral flavor profile that doesn't require aggressive masking agents. Paired with YESTEIN™ Fermented Nutritional Yeast Protein—which closes the sulfur amino acid gap and co-delivers naturally occurring B vitamins—the combination produces a genuinely complete plant protein formula that can stand beside animal-derived proteins on protein quality metrics rather than asking for an asterisked exception.*

That is what the Halea Life Plant-Based Protein Powder is built around. Not the cheapest plant protein available. The one the science supports.*

No subscriptions. No promo codes. The price you see is the price, year-round.

Shop Plant-Based Protein

Chocolate and Vanilla. Fava bean + YESTEIN™. 21g protein. No pea, no soy, no compromise.*

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Fava beans are a legume; individuals with known legume allergies should consult a healthcare provider before use. Individuals with G6PD (glucose-6-phosphate dehydrogenase) deficiency should consult a physician before consuming fava bean-derived products. This formula contains no soy, dairy, or gluten; manufactured in a facility that may process other allergens. Pregnant or nursing individuals and those with known medical conditions should consult a physician before use. Scientific citations are provided for educational purposes; individual results vary.