Zoo Friends with Extra C by 21st Century Zoo Friends — Ingredients, Evidence & Safety

🟢 97/100

This product looks safe

Folate: 500mg is 500.0× the Tolerable Upper Intake Level (1.0mg)
73% of ingredients have research evidence

C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 500mg is 500.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Chewable Tablet(s) Serving Size

60 Servings

Other Combinations Product Type

73% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

750 mcg (250% DV)

Vitamin C

250 mg (1667% DV)

Vitamin D3

10 mcg (67% DV)

✅ Within RDA (0.7× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)

RDA 0.015mg This product: 0.01mg UL 0.1mg

Vitamin E

6.75 mg (113% DV)

✅ Within RDA (0.5× RDA of 15 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 6.75mg UL 1000mg

Thiamine

1.05 mg (210% DV)

✅ Within RDA (0.9× RDA of 1.2 mg) 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 1.05mg

Riboflavin

1.2 mg (240% DV)

✅ Within RDA (0.9× RDA of 1.3 mg) 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 1.2mg

Niacin

13.5 mg (225% DV)

✅ Within RDA (1.0× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 13.5mg UL 35mg

Vitamin B6

1.05 mg (210% DV)

✅ Within RDA (0.8× RDA of 1.3 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 1.05mg UL 100mg

Folate

500 mcg DFE (333% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 500.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 500mg UL 1.0mg

Vitamin B12

4.5 mcg (500% DV)

✅ 1.9× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.0045mg

Sodium

25 mg (2% DV)

Other Ingredients

Sorbitol Sucrose Stearic Acid FD&C Yellow #6 Gelatin Magnesium Stearate natural Orange flavor Silicon Dioxide Starch Sucralose

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) Children more than 1 but less than 4

Product Information

📋 Directions for Use

Directions: As a dietary supplement, children 2 to 3 years of age chew one (1) tablet daily; children 4 years of age and older and adults, chew two (2) tablets daily with any meal or as directed by a healthcare provider. 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

21st Century Zoo Friends with Extra C is a children's multivitamin chewable with added vitamin C to support immune health.

No added Yeast.

Additional Information

Compare vs. Flinstones plus Immunity Support Now all orange

Individual results may vary.

Store at room temperature.

Guaranteed quality Laboratory tested

Product Details

UPC / SKU 7 40985 27313 5

DSLD Entry Date 2022-01-22

Product Type Other Combinations

Form Tablet or Pill

Brand 21st Century Zoo Friends

DSLD ID 258608

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 →