BioStacks
Best for
Ingredients (7)
L-Leucine
100%Dose/day
2700 mg
Target
2000–5000 mg
Form
—
Vitamin B6
96%Dose/day
24 mg
Target
25–100 mg
Form
Premium
L-Valine
90%Dose/day
1350 mg
Target
1500–4000 mg
Form
—
L-Isoleucine
90%Dose/day
1350 mg
Target
1500–4000 mg
Form
—
Vitamin B12
100%Dose/day
1059 mcg
Target
250–5000 mcg
Form
Budget
Other Ingredients (3)
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
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
How to Take It
Best taken in the morning
Many people prefer B-vitamins earlier in the day; take with food to avoid nausea.
With food
Glutamine 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.
Space it a couple of hours from Iron and Calcium
Label directs 3 servings — keep one for the morning
On the label
3 capsules three times daily with meals.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$13.33
Cheaper than 85% of 90 glutamine 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.