BioStacks
Ingredients (9)
Ginkgo Biloba Extract
100%Dose
120 mg
Target
120–240 mg
Form
—
Choline Bitartrate
100%Dose
150 mg
Target
100–500 mg
Form
Budget
Vitamin B-12
100%Dose
500 mcg
Target
250–5000 mcg
Form
Budget
Bacopa
100%Dose
300 mg
Target
300–600 mg
Form
Not listed
L-Tyrosine
35%Dose
175 mg
Target
500–2000 mg
Form
—
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
How to Take It
Best taken in the morning
Contains Rhodiola rosea, which is stimulating — keep it to the morning. Take it with food — the choline in it is what makes this kind of product feel nauseating on an empty stomach.
With food
Tyrosine 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.
Keep it away from protein-heavy meals
On the label
For aduults, take 2 capsules daily with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$17.38
Near the median of 38 tyrosine 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. studied 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.