1 Product identity
Ingredient risk
2 ingredients to use with caution
Healthy Sleep with 5-HTP, L-Theanine
BrandNature's Blend→Dietary Supplement 4 ingredients 2 caution Source: swansonvitamins.com ↗DSLD entry: 2026-06-02
2 Ingredients (4)
IngredientGroupSafety
Ingredient details from the manufacturer listing. View product at swansonvitamins.com →
⚠️ Use with caution — restricted in some markets
L-Theanine 🇯🇵 — as food supplement. No authorized health claims. Novel food status in some jurisdictions [1]. || Japan (MHLW) :: Long h
Melatonin 🇯🇵 🇪🇺 🇦🇺 🇩🇪 🇬🇧 — Not approved as food supplement. Classified as pharmaceutical.
3 Safety cross-reference
5-HTP — Limited Evidence
⚠ SEROTONIN SYNDROME with SSRIs — SERIOUS
⚠ GI disturbance
L-Theanine — Use with Caution
⚠ May enhance sedatives
Valerian — Conditionally Safe
⚠ Drowsiness
⚠ Additive with sedatives/alcohol
Melatonin — Use with Caution
⚠ Daytime drowsiness
⚠ May worsen depression
5 Data source
DSLD ID900000522
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2026-06-02
6 More from Nature's Blend
View Nature's Blend Safety Scorecard → 23 products
Calcium Carbonate 600 mgCalcium Carbonate 600 mgCalcium Citrate with Vitamin D3Chewable Vitamin C 500 mgDaily Vite Multivitamin with IronDark Cherry Concentrate7 Cite this page
Vancouver
Pkhakadze G. Healthy Sleep with 5-HTP, L-Theanine — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jul 17]. Available from: https://supplement.ge/products/dsld-900000522/
CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.
GP
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
Publisher: PHIG