BioStacks
Best for
Ingredients (12)
Vitamin B6
96%Dose
1.3 mg
Target
1.3–25 mg
Form
—
Guarana Extract
100%Dose
100 mg
Target
50–500 mg
Form
—
Ginseng Extract
60%Dose
120 mg
Target
200–400 mg
Form
—
Thiamin
4%Dose
1.0 mg
Target
25–100 mg
Form
Not listed
Green Tea Extract
50%Dose
100 mg
Target
200–500 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.
Sodium BenzoatePreservative
Benzene can form in presence of ascorbic acid plus metals/heat/light; may trigger reactions in sensitive individuals
Beet ColorColorant
Natural red-pink colorant from dehydrated beets or beet juice; the pigment is betanin
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.
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
Folic AcidVitamin
Synthetic form of vitamin B9 used for fortification — supports red blood cell formation and neural tube development. Pharmacologically distinct from the natural/active form (5-methyltetrahydrofolate, methylfolate).
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
How to Take It
Best taken in the morning
Contains Guarana, which is stimulating — keep it to the morning. Take it with food — the zinc and niacin in it are what makes this kind of product feel nauseating on an empty stomach.
With food
Keep it away from iron-rich meals and protein-heavy meals
Space it a couple of hours from Iron and Calcium
On the label
Consume as part of a varied and balanced diet and healthy lifestyle. Green Tea Extract contains a minimum of 3.37 mg (-)- epigallocatechin-3-gallate per daily intake of 250ml. Do not consume over 800mg of (-)- epigallocatechin-3-gallate per day. Should not be consumed by pregnant or lactating women, children below 18 years old, those under fasting conditions, or those already consuming other products containing green tea. Contains low levels of natural caffeine (1.125mg per 250ml). Not recommended for use by those sensitive to caffeine. Contains natural plant extracts which may form a harmless sediment on standing. 250ml provides more than 15% of vitamin and mineral NRV’s†. Best served chilled. Store below 30°C in a dry place, out of direct sunlight. Contains natural plant extracts which may form a harmless sediment on standing. For Allergy Advice and other usage information see Nutritional Information. Green Tea Extract contains a minimum of 3.37 mg (-)- epigallocatechin-3-gallate per daily intake of 250ml. Do not consume over 800mg of (-)- epigallocatechin-3-gallate per day. Should not be consumed by pregnant or lactating women, children below 18 years old, those under fasting conditions, or those already consuming other products containing green tea. Contains low levels of natural caffeine (1.125mg per 250ml). Not recommended for use by those sensitive to caffeine.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
£16.10≈ $20.45
Near the median of 97 vitamin B1 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.