1 Product identity

Ingredient risk

2 ingredients to use with caution

European L-5 HTP 100 mg

Name: European L-5 HTP 100 mg
Brand: CHK Nutrition

BrandCHK Nutrition→Botanical with Nutrients Capsule 8 ingredients 2 caution DSLD #228520

Net contents: 120 Capsule(s)

Target: Adults and Children 4 years and above

DSLD entry: 2020-06-24

2 Ingredients (8)

IngredientGroupSafety

Vitamin CVitamin CGenerally Safe

Vitamin B6Vitamin B6Use with Caution

Griffonia bean extractGriffonia—

GelatinGelatin—

WaterWater—

Rice powderRice—

SilicaSiliconGenerally Safe

Magnesium StearateMagnesium StearateUse with Caution

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

⚠️ Use with caution — restricted in some markets

Vitamin B6 — Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients…

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

Vitamin C — Generally Safe

⚠ GI distress at high doses

⚠ Kidney stones risk >1g/day

Vitamin B6 — Use with Caution

Silicon — Generally Safe

⚠ Very low toxicity

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

4 Label claims

• Nutrient

• All Other

• Structure/Function

5 Data source

DSLD ID228520

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2020-06-24

6 More from CHK Nutrition

View CHK Nutrition Safety Scorecard → 19 products

Bone Broth Protein Powder Chocolate Flavor Chelated Zinc 50 mg Chewable Vitamin C 500 mg Chromium Picolinate 200 mcg CLA 1,250 mg Double Strength Probiotic With Acidophilus

7 Cite this page

Vancouver

Pkhakadze G. European L-5 HTP 100 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 28]. Available from: https://supplement.ge/products/european-l-5-htp-100-mg-228520/

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