Visionex DS

product on market Tablet or Pill USANA 🟢 Safety: 100/100
Brand: USANA
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 40% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size
28 Servings
Other Combinations Product Type
40% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
250 mg (278% DV)
5 mg (45% DV)
✅ Within RDA (0.5× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 5mg UL 40mg
10 mg
📊 Market median: 10.0mg (105 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 10mg
2 mg
📊 Market median: 4.0mg (32 products)
This product: 2mg
25 mg
📊 Market median: 100.0mg (120 products)
Median 100.0mg This product: 25mg

Other Ingredients

Microcrystalline Cellulose Croscarmellose Sodium Ascorbyl Palmitate Dextrin Dextrose Soy Lecithin Sodium Carboxymethylcellulose Sodium Citrate

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Kosher

Product Information

📋 Directions for Use

Directions: Adults take one (1) tablet daily, preferably with food.

⚠️ Warnings & Precautions

Keep out of reach of children.

Consult your physician if you are pregnant, nursing, taking a prescription drug, or have a medical condition.

There is a safety seal under the cap. Do not use if the seal is broken or missing.

Contains: Soy.

🧪 Formulation Notes

Laboratory tested. Quality guaranteed. Meets USP specification for uniformity, potency, and disintegration, where applicable.

OK (Kosher)

Eye health support

Additional Information

Keep tablets in original container with the lid tightly closed between use. Store in a cool, dry place. Store below 25 degrees C.

Discard seal, empty & replace cap Plastic bottle how2recycle.info

OK (Kosher) MWT Potency Guaranteed

Product Details

DSLD Entry Date 2024-12-21
Product Type Other Combinations
Form Tablet or Pill
Brand USANA
DSLD ID 322334
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
PubMed DOI Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
PubMed DOI
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
PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
PubMed DOI
View all evidence for Vitamin C →

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