5-HTP 5-Hydroxytryptophan 100 mg

Name: 5-HTP 5-Hydroxytryptophan 100 mg
Brand: Natural Factors Stress-Relax

BrandNatural Factors Stress-Relax→Fat/Fatty Acid Other (e.g. tea bag) 6 ingredients 1 caution DSLD #282121

Net contents: 60 Time Release Caplet(s)

Target: Adults and Children 4 years and above

DSLD entry: 2023-01-23

2 Ingredients (6)

IngredientGroupSafety

CalciumCalciumConditionally Safe

5-HTP5-HTPLimited Evidence

Microcrystalline CelluloseCellulose—

Carbohydrate GumCarbohydrate—

CoatingCoating—

Magnesium StearateMagnesiumUse with Caution

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⚠️ Use with caution — restricted in some markets

Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].

3 Safety cross-reference

Calcium — Conditionally Safe

⚠ Cardiovascular risk debated >1,000 mg/day

⚠ Kidney stones

5-HTP — Limited Evidence

⚠ SEROTONIN SYNDROME with SSRIs — SERIOUS

⚠ GI disturbance

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

4 Label claims

• Nutrient

• All Other

• Structure/Function

5 Data source

DSLD ID282121

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2023-01-23

6 More from Natural Factors Stress-Relax

View Natural Factors Stress-Relax Safety Scorecard → 6 products

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7 Cite this page

Vancouver

Pkhakadze G. 5-HTP 5-Hydroxytryptophan 100 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 27]. Available from: https://supplement.ge/products/dsld-282121/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG