BioStacks
Best for
Ingredients (7)
Taurine
100%Dose
1000 mg
Target
1000–3000 mg
Form
—
Branched-Chain Amino Acids
100%Dose
5000 mg
Target
5000–10000 mg
Form
—
Sodium
80%Dose
240 mg
Target
300–1000 mg
Form
—
Betaine Anhydrous
60%Dose
1500 mg
Target
2500–6000 mg
Form
—
L-Citrulline
33%Dose
1000 mg
Target
3000–6000 mg
Form
—
Other Ingredients (11)
XylitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.
Grape Skin Extract (Color)Colorant
Natural purple-red colorant from grape skins; the pigments are anthocyanins
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.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Citric AcidAcidulant
Natural acid derived from citrus fruits
Guar GumThickener
Natural thickener derived from guar beans
Malic AcidAcidulant
Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements
Sodium CarbonatesBuffering Agent
Alkaline buffering agents used to adjust pH and improve stability of supplement formulations
How to Take It
Take it anytime
Take it between meals, away from food.
On an empty stomach
On the label
Add 1 level scoop of BCAA Big 6 to a glass or shaker cup filled with 14-16 oz. of water or your favorite beverage. Stir or shake vigorously for about 15-20 seconds to ensure a good mix. Can be taken before, during, or after exercise. Store in a cool, dry, dark place after opening.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$35.60
Pricier than 95% of 31 BCAA 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.