BioStacks
Ingredients (8)
L-Methionine
75%Dose/day
150 mg
Target
200–1000 mg
Form
—
L-Histidine
30%Dose/day
150 mg
Target
500–4000 mg
Form
—
L-Phenylalanine
30%Dose/day
150 mg
Target
500–1500 mg
Form
—
L-Threonine
30%Dose/day
150 mg
Target
500–4000 mg
Form
—
L-Lysine
15%Dose/day
150 mg
Target
1000–3000 mg
Form
—
Other Ingredients (3)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Take between meals — it competes with arginine for the same transporter.
On an empty stomach
Split into 2 doses across the day
On the label
As a dietary supplement for adults, take one (1) vegetable capsule, twice daily, between meals, or as directed by a healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$21.47
Near the median of 11 histidine 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.