🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 57% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

4 Capsule(s) Serving Size
14 Servings
Other Combinations Product Type
57% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
500 mg (833% DV)
37.5 mg (1875% DV)
📊 28.8× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 37.5mg UL 100mg
200 mcg (50% DV)
✅ Within RDA (0.5× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.2mg UL 1.0mg
Calcium
110 mg (11% DV)
250 mg
📊 Market median: 500.0mg (159 products)
Median 500.0mg This product: 250mg
📊 Market median: 100.0mg (116 products) 📚 15 studies (Tier A: 0, B: 3)
This product: 150mg
1500 mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 1500mg

Other Ingredients

Vegetable-based Capsule Cellulose Magnesium Stearate Rice Flour Silicon Dioxide

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Directions: Take 4 capsules once or twice a day. Use only under the supervision of a licensed healthcare practitioner.

Use of CysReplete is recommended with this product to prevent sulfur amino acid depletion.

⚠️ Warnings & Precautions

If you are pregnant or nursing consult your healthcare practitioner before use.

Keep out of reach of children.

🧪 Formulation Notes

98% + Pure 5-HTP

Does not contain wheat, corn, soy, sucrose, salt, starch, yeast, artificial flavors, artificial colorings, or other known allergens.

GF Certified Gluten-free

Additional Information

Keep away from direct sunlight.

This product is intended for resale.

This product is manufactured in a cGMP certified facility.

GF Certified Gluten-free

Product Details

DSLD Entry Date 2018-03-23
Product Type Other Combinations
Form Capsule
DSLD ID 174236
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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