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What it does
A combination of 2 label ingredients.
Tryptophan
Form not confirmedGrade —
Small studies suggest tryptophan may reduce time awake after sleep onset; broader sleep benefits remain uncertain.
Iron
Form not confirmedGrade —
Supports hemoglobin production and oxygen transport; extra iron does not automatically improve energy when iron status is adequate.
Ingredients (2)
Iron
575 mcgTrace amount — not scored
Other ingredients
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
Calcium CarbonateBuffer
Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Lab testing
How to take it
On an empty stomach
Keep it away from protein-heavy meals
Space it a couple of hours from SAMe
On the label
1 capsule three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3 capsules before bed.
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.
Price check
$9.23
$0.92 / serving
Cheaper than 99% of 18 tryptophan supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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.
Not medical advice. Consult your healthcare professional.