BioStacks
Best for
Ingredients (5)
L-Leucine, Fermented
100%Dose
2500 mg
Target
2000–5000 mg
Form
—
L-Valine, Fermented
100%Dose
1500 mg
Target
1500–4000 mg
Form
—
Vitamin B6
8%Dose
2 mg
Target
25–100 mg
Form
Premium
L-Isoleucine, Fermented
67%Dose
1000 mg
Target
1500–4000 mg
Form
—
L-Glutamine
20%Dose
1000 mg
Target
5000–15000 mg
Form
—
Other Ingredients (4)
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Citric AcidAcidulant
Natural acid derived from citrus fruits
Monk Fruit ExtractSweetener
Zero-calorie natural sweetener derived from the monk fruit (Siraitia grosvenorii)
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
How to Take It
Best taken in the morning
Many people prefer B-vitamins earlier in the day; take with food to avoid nausea.
With food
Glutamine does better on an empty stomach, but something else in this bottle needs food. Taking the whole product with a meal is the better trade — an upset stomach is why most people stop.
On the label
Take 3 scoops (2 g scoop included) 2 times daily. 1 serving should be taken prior to exercise and 1 serving immediately following exercise. To maximize results, take this product with your favorite meal or supplement combining protein and carbohydrates (high glycemic) at a 1:3 ratio.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$17.36
Cheaper than 90% of 11 valine supplements
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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.