BioStacks
Ingredients (18)
Potassium
100%Dose
300 mg
Target
99–500 mg
Form
—
L-Leucine
100%Dose
3500 mg
Target
2000–5000 mg
Form
—
Sodium
100%Dose
300 mg
Target
300–1000 mg
Form
—
L-Taurine
100%Dose
1000 mg
Target
1000–3000 mg
Form
—
L-Methionine
100%Dose
400 mg
Target
200–1000 mg
Form
—
Other Ingredients (9)
SucraloseSweetener
Dose context matters. As a trace excipient in a tablet coating or capsule, the amount is minimal and not a meaningful concern. The evidence below applies to the gram-level intakes typical of sweetened protein powders, pre-workouts, and drink mixes: a 2022 human trial (Suez et al., Cell) showed sucralose disrupts gut bacteria and worsens blood sugar control in healthy adults, and a 2023 study (Schiffman et al.) found that sucralose-6-acetate — a compound formed when sucralose is digested — was genotoxic to human cells in vitro. It remains an artificial sweetener with no nutritional purpose.
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.
Tapioca DextrinCarrier
A starch hydrolysate from tapioca used as a carrier and flow agent
InulinFiller
Prebiotic soluble fiber from chicory root, used as a filler and flow agent in capsules and tablets
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.
Fatty AcidsCarrier
Fatty acids derived from vegetable triglycerides, used as lipid carriers in enhanced-absorption vitamin formulations
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
How to Take It
Best taken in the evening
Contains Tryptophan, so it belongs in the evening. Take it with food — the potassium in it is what makes this kind of product feel nauseating on an empty stomach.
With food
Keep it away from protein-heavy meals
Space it a couple of hours from Iron, Calcium and SAMe
On the label
Mix 60g (approx. 2 scoops) with 600-750ml of cold water and consume during your workout. Consume once daily. Add more or less water to alter the flavour and sweetness intensity, as desired. Powder settles over time, we recommend weighing for the most accurate measure. Warning: Not recommended for children, pregnant or breastfeeding women. Consult with your doctor if taking medication or have a medical condition.
Do not combine with St. John's Wort
Each of these raises serotonin activity on top of St. John's Wort, and together they can trigger serotonin syndrome — agitation, rapid heartbeat, raised blood pressure. Not without medical supervision.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.