BioStacks
Best for
Ingredients (4)
L-Leucine
100%Dose
4000 mg
Target
2000–5000 mg
Form
—
Vitamin B6
12%Dose
3 mg
Target
25–100 mg
Form
Premium
L-Valine
67%Dose
1000 mg
Target
1500–4000 mg
Form
—
L-Isoleucine
67%Dose
1000 mg
Target
1500–4000 mg
Form
—
Other Ingredients (11)
CarboxymethylcelluloseThickener
Carboxymethylcellulose was the second emulsifier (with polysorbate 80) in Chassaing et al. 2015 (Nature, PMID 25731162), which showed mucus-barrier thinning, a microbiota shift toward pro-inflammatory species, low-grade inflammation, and metabolic syndrome in mice. Chassaing 2022 (Gastroenterology, PMID 34774538) tested CMC directly in a randomized controlled human feeding trial and found reduced microbial diversity and bacterial encroachment into the normally sterile mucus layer in a susceptible subset of participants. EFSA's 2018 re-evaluation could not establish a safe level due to data gaps. For a purely textural excipient, the gut-barrier risk profile is unfavorable when safer thickeners are widely available.
Tapioca DextrinCarrier
A starch hydrolysate from tapioca used as a carrier and flow agent
DextroseSweetener
A simple glucose sugar used as a bulking agent, sweetener, and tablet diluent
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Soy LecithinEmulsifier
Widely used emulsifier derived from soybeans
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.