Vira-Sin-C by Douglas Laboratories — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
44% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

1 Packet(s) Serving Size

Other Combinations Product Type

44% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

10000 IU (200% DV)

Vitamin C

500 mg (833% DV)

Vitamin E

200 IU (667% DV)

📊 8.9× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 134.0mg UL 1000mg

Vitamin B12

1000 mcg (16667% DV)

📊 416.7× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 1.0mg

Calcium

150 mg (15% DV)

Iodine

50 mcg (33% DV)

✅ Within RDA (0.3× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)

RDA 0.15mg This product: 0.05mg UL 1.1mg

Magnesium

63 mg (16% DV)

📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)

This product: 63mg

Zinc

6 mg (40% DV)

✅ Within RDA (0.5× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 6mg UL 40mg

Selenium

67 mcg (96% DV)

✅ 1.2× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.067mg UL 0.4mg

Copper

0.4 mg (20% DV)

✅ Within RDA (0.4× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 0.4mg UL 10mg

Manganese

10 mg (500% DV)

📊 4.3× RDA — above typical dose (UL: 11 mg) 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 10mg UL 11mg

Chromium

100 mcg (83% DV)

✅ 2.9× RDA — within safe limits 📚 197 studies (Tier A: 1, B: 55)

RDA 0.035mg This product: 0.1mg

Molybdenum

17 mcg (23% DV)

✅ Within RDA (0.4× RDA of 0.045 mg) 📚 2 studies — no high-quality reviews

RDA 0.045mg This product: 0.017mg UL 2mg

Potassium

33 mg (1% DV)

Silicon

0.7 mg

📊 Market median: 108.0mg (8 products) 📚 9 studies (Tier A: 0, B: 4)

This product: 0.7mg

Vanadium

25 mcg

📊 Market median: 0.5mg (6 products) 📚 1 studies (Tier A: 0, B: 1)

This product: 0.025mg UL 1.8mg

Boron

33 mcg

📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews

This product: 0.033mg UL 20mg

Citrus Bioflavonoids

100 mg

📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)

This product: 100mg

Rutin

50 mg

📊 Market median: 500.0mg (19 products)

This product: 50mg

Hesperidin Complex

25 mg

Acerola

1 mg

raw Thymus Concentrate

180 mg

raw Spleen Concentrate

180 mg

Raw Lymph Concentrate

180 mg

Pure Bee Pollen

500 mg

Other Ingredients

alfalfa cereal grass Rose Hips lecithin Fish Liver Oil Gelatin Cellulose Water Silica Gelatin Vegetable Stearate

Label Claims — Verification

❓ All Other

All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult (18 - 50 Years) Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested Usage: As a dietary supplement, adults take 1 pack daily or as directed by your healthcare professional.

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

Tamper resistant package, do not use if outer seal is missing.

🧪 Formulation Notes

Each Pack Contains: One Small, Yellow, Emulsified Vitamin A Softgel Four Small Tan Multi-Glandular Capsules Two Pink Vitamin B-12 Tablets One White Multi-Vitamin/Mineral Tablet One Round Off-White Bee Pollen Plus Tablet One Small Off White Glandular Capsule One White Vitamin E Capsule One Speckled, Oval Vitamin C and Rose Hips Tablet

This product contains NO yest, wheat gluten, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.

Additional Information

Glands are processed by low temperature lyophili-zation by sublimation to preserve natural constituents.

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formula #7528

Product Details

UPC / SKU 3 10539 00729 9

DSLD Entry Date 2013-01-25

Product Type Other Combinations

Form Other (e.g. tea bag)

Brand Douglas Laboratories

DSLD ID 8911

Data Updated 2026-04-11

Research Evidence

337 Research Sources

54 Avg Quality Score

161 Meta Analysis

68 Systematic Review

51 Rct

48 Clinical Trial

2 Other

2 Regulatory Source

1 Narrative Review

1 Cochrane Review

1 Guideline

1 Openfda Safety

A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis

Meta Analysis BMJ (Clinical research ed.) 2011

PubMed DOI

A Fortification of staple foods with vitamin A for vitamin A deficiency

Systematic Review The Cochrane database of systematic reviews 2019

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age

Narrative Review The Cochrane database of systematic reviews 2016

PubMed DOI Cochrane

A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa

Meta Analysis The Cochrane database of systematic reviews 2020

PubMed DOI

A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials

Meta Analysis Journal of sport and health science 2023

PubMed DOI

A Food fortification with multiple micronutrients: impact on health outcomes in general population

Meta Analysis The Cochrane database of systematic reviews 2019

PubMed DOI

A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age

Meta Analysis The Cochrane database of systematic reviews 2024

PubMed DOI

View all evidence for Vitamin A →