🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
20 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
60 mg (100% DV)
50 mg (500% DV)
📊 38.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 50mg UL 100mg
100 mcg (143% DV)
✅ 1.8× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.1mg UL 0.4mg
500 mcg (25% DV)
✅ Within RDA (0.6× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 0.5mg UL 10mg
1.8 mg (90% DV)
✅ Within RDA (0.8× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 1.8mg UL 11mg
500 mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 500mg
Thyroid Thrive Herbal Blend
1550 mg
AvailaBlend Bioavailability Complex
15 mg

Other Ingredients

Vegetable Capsule Microcrystalline Cellulose Silica

Label Claims — Verification

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

Target Groups

Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions: For best results, take 3 capsules each morning until desired results are achieved. Results may be felt in minutes or hours, but in some cases take days or weeks, and improve with continued use. Once desired results are obtained, consider reducing dose to 1-2 capsules each morning for maintenance.

⚠️ Warnings & Precautions

Warning: Do not use if safety seal around cap is broken or missing.

If pregnant or nursing, see a doctor before use.

Keep out of reach of children.

🧪 Formulation Notes

Contains no animal products, corn, dairy, gluten, GMO, soy, wheat, or yeast.

Additional Information

Natural thyroid health Improve mood & energy Stabilize metabolism Promote hormone balance Support associated glands

Eclectic Innovation Effective

Not for sale in CA without Prop 65 warning. See also www.prop65.info.

Other Information: Capsule size “00”.

"Guaranteed results, naturally!" Valid through authorized resellers. At RidgeCrest Herbals, we pledge to bring you the most eclectic, innovative, and effective natural remedies, so you can take your health to a higher level and do more of the things you love. Please recycle responsibly

161212

Product Details

UPC / SKU 3 55724 00191 9
DSLD Entry Date 2018-05-24
Product Type Other Combinations
Form Capsule
DSLD ID 177333
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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