BioStacks
Best for
Ingredients (5)
Melatonin
100%Dose
3 mg
Target
0.5–5 mg
Form
—
L-Theanine
100%Dose
200 mg
Target
100–250 mg
Form
—
Valerian root extract
100%Dose
300 mg
Target
300–600 mg
Form
—
Vitamin B6
16%Dose
4 mg
Target
25–100 mg
Form
Budget
Tart cherry fruit powder
42%Dose
200 mg
Target
480–1000 mg
Form
—
Other Ingredients (3)
Rice FlourFiller
Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
HypromelloseCapsule
Plant-derived capsule material from cellulose
How to Take It
Best taken in the evening
Take 30–60 minutes before bed. It's a circadian signal, not a daytime supplement. Vitamin B6 is easier on the stomach taken with food.
With food
On the label
Take 2 capsules 30-60 minutes prior to sleep. Do not take daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$44.95
Pricier than 85% of 187 vitamin B6 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.