BioStacks
Best for
Ingredients (3)
Vitamin B6
100%Dose/day
12 mg
Target
1.3–25 mg
Form
Premium
5-HTP
100%Dose/day
150 mg
Target
100–300 mg
Form
—
Vitamin C
72%Dose/day
180 mg
Target
250–2000 mg
Form
Budget
Other Ingredients
No other ingredients listed
How to Take It
Best taken in the evening
Contains 5-HTP, so it belongs in the evening. Vitamin B6 is easier on the stomach taken with food.
With food
5-HTP 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
Space it a couple of hours from SAMe
Label directs 1.5 servings — keep one for the evening
On the label
Take 1-2 tablets three times daily with meals, or as recommended by a healthcare professional.
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.
Price Check
$13.17
Cheaper than 80% of 61 5-HTP 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.