🟢 94/100

This product looks safe

  • Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)
  • 67% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)

Label Data

2 Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

100 mg
📊 Market median: 100.0mg (116 products) 📚 15 studies (Tier A: 0, B: 3)
This product: 100mg
150 mg (250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 4.3× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 150mg UL 35mg
150 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 150mg
100 mg (26.7% DV)
✅ Within RDA (0.2× RDA of 420 mg)
RDA 420mg This product: 100mg UL 350mg
100 mg (12.5% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 100mg
Hops
300 mg

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (78% of products) Nutrient (52% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Directions Take 2 (two) capsules 1 (one) hour before bedtime for maintenance, or as directed by your healthcare practitioner.

⚠️ Warnings & Precautions

Caution Should not be used as a substitute for a varied diet. Do not exceed the recommended dose.

Keep out of reach of children.

Do not take if you have high blood pressure or are prone to seizures, have a bleeding disorder or liver disease.

Consult your medical practitioner before taking these capsules if you are on medication. It is not recommended that children or pregnant or nursing women take this supplement.

It is not recommended that children or pregnant or nursing women take this supplement.

Stop taking if any side-effects occur.

🧪 Formulation Notes

Vegetarian friendly.

Gluten free.

Additional Information

Intelligent health and nutrition

Encourages natural sleep

Description Sleep is a food supplement for healthy people that contributes to normal psychological function and functioning of the nervous system. Sleep is not addictive or habit forming.

For more information visit www.mydnahealth.co.uk/sleep/

Manufactured in the United Kingdom to GMP code of practice and BS:EN 9001:2000 Quality Assured Certification

Product Details

UPC / SKU 0 700461 233374
DSLD Entry Date 2019-02-25
Product Type Other Combinations
Form Capsule
Brand myDNAhealth
DSLD ID 199716
Data Updated 2026-04-11

Research Evidence

21 Research Sources
53 Avg Quality Score
11 Systematic Review
6 Rct
4 Meta Analysis
B Combination pharmacotherapy for the treatment of fibromyalgia in adults
Systematic Review The Cochrane database of systematic reviews 2018
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2001
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002
B The impact of 5-hydroxytryptophan supplementation on sleep quality and gut microbiota composition in older adults: A randomized controlled trial
Rct Clinical nutrition (Edinburgh, Scotland) 2024
B The Impact of 5-Hydroxytryptophan Supplementation on Cognitive Function and Mood in Singapore Older Adults: A Randomized Controlled Trial
Rct Nutrients 2025
B The Efficacy of Different Triptans for the Treatment of Acute Headache in Pediatric Migraine: A Systematic Review
Systematic Review Indian pediatrics 2023
B The effect of therapeutic massage combined with conventional therapy in children with functional dyspepsia: a systematic review and meta-analysis
Systematic Review Frontiers in pharmacology 2025
C Sleep disorders in children
Systematic Review BMJ clinical evidence 2010
C Effects of 5-hydroxytryptophan on distinct types of depression: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2020
C Investigating genetic links between biological aging and adverse pregnancy outcomes
Meta Analysis Biogerontology 2025
View all evidence for 5 Htp →

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