Marketed for focus, but the ingredients that matter most for attention are significantly underdosed. **Phosphatidylserine** — the compound with the strongest evidence for cognitive performance under stress — provides 50 mg per serving against a studied range of 300–800 mg. **DHA**, the omega-3 most linked to brain function, delivers 50 mg versus the 1,000–3,000 mg used in research.
Your B vitamins (B1, B2, B3, B6) are generously dosed, which supports general energy metabolism but doesn't directly address focus or attention. **GABA** at 100 mg hits the low end of its supplemental range, and **Lemon Balm** at 200 mg falls short of the 300–600 mg studied for calming effects.
The liquid format may absorb faster, but that advantage means little when the core attention-support compounds are at 6–17% of their studied doses. The gap between what's on the label and what the research actually used is wide.
BioStacks
Best for
Ingredients (15)
Vitamin B-3
100%Dose
40 mg
Target
25–500 mg
Form
Standard
Chromium
18%Dose
35 mcg
Target
200–1000 mcg
Form
Premium
Vitamin B-2
100%Dose
30 mg
Target
25–100 mg
Form
Budget
Vitamin B-6
100%Dose
30 mg
Target
25–100 mg
Form
Budget
GABA
100%Dose
100 mg
Target
100–300 mg
Form
—
Other Ingredients (8)
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
Guar GumThickener
Natural thickener derived from guar beans
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
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Xanthan GumThickener
Natural thickener from fermented carbohydrates
nisin (naturally ensures freshness) and polylysine (natural preservative)
Not reviewed yet
How to Take It
Best taken in the evening
Used in the evening for relaxation. Take it with food — the choline in it is what makes this kind of product feel nauseating on an empty stomach.
With food
On the label
Shake well before each use. Refrigerate after opening. Best if used within 45 days. Take 1 tablespoon daily, preferably with meals. May be taken undiluted or mixed with your favorite beverage (for ages 4 years and over). Do not take on an empty stomach.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$30.93
Pricier than 88% 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.