ImmuBlast Citrus by 21st Century — Ingredients, Evidence & Safety

🟢 90/100

This product looks safe

Contains proprietary blend — exact ingredient amounts not disclosed
46% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

4 Tablet(s) Serving Size

12.5 Servings

Botanical with Nutrients Product Type

46% Evidence Coverage

Supplement Facts — Evidence Check

Calories

20 Calorie(s)

Total Carbohydrates

5 Gram(s) (2% DV)

Vitamin A

600 mcg (67% DV)

Vitamin C

1000 mg (1111% DV)

Vitamin E

14 mg (90% DV)

✅ Within RDA (0.9× RDA of 15 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 14mg UL 1000mg

Magnesium

40 mg (10% DV)

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

This product: 40mg

Zinc

8 mg (73% DV)

✅ Within RDA (0.7× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 8mg UL 40mg

Selenium

15 mcg (27% DV)

✅ Within RDA (0.3× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.015mg UL 0.4mg

Manganese

3 mg (130% DV)

✅ 1.3× RDA — within safe limits 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 3mg UL 11mg

Proprietary Herbal Extract Blend

350 mg

Proprietary Amino Acid Blend

50 mg

📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)

This product: 50mg

Other Ingredients

Dextrose Sorbitol Contains Less Than 2% of

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

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

Target Groups

Children 4 or More Years of Age Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

No water needed

21st Century ImmuBlast chewable tablets can be taken conveniently without water. Just chew four tablets and continue with your busy day.

Directions: As a dietary supplement for adults and children 12 years and older, chew four (4) tablets per serving. Repeat as necessary up to 12 tablets per day. Do not exceed recommended dosage.

⚠️ Warnings & Precautions

Do not exceed recommended dosage.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

🧪 Formulation Notes

Vitamin C plus 13 vitamins, minerals & herbs Citrus natural flavor

Take a blast of Vitamin C in combination with 13 vitamins, minerals and herbs that support immune system health.

Our natural citrus flavored chewable tablets taste great too!

1,000 mg of Vitamin C for Immune Support

No added Yeast. Gluten Free.

Additional Information

Compare vs. Airborne Immune system support Chewable tablets

Gluten free

Individual results may vary.

Store at room temperature.

Guaranteed quality Laboratory tested

Product Details

UPC / SKU 7 40985 27934 2

DSLD Entry Date 2019-11-21

Product Type Botanical with Nutrients

Form Tablet or Pill

Brand 21st Century

DSLD ID 208370

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 →