Women's Ultra Mega by GNC Women's Ultra Mega — Ingredients, Evidence & Safety

🟢 99/100

This product looks safe

Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
59% of ingredients have research evidence

C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Label Data

2 Caplet(s) Serving Size

90 Servings

Other Combinations Product Type

59% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

5000 IU (100% DV)

Vitamin C

200 mg (333% DV)

Vitamin D

1600 IU (400% DV)

✅ 2.7× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)

RDA 0.015mg This product: 0.04mg UL 0.1mg

Vitamin E

30 IU (100% DV)

✅ 1.3× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 20.1mg UL 1000mg

Vitamin K

80 mcg (100% DV)

✅ Within RDA (0.7× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)

RDA 0.12mg This product: 0.08mg

Thiamine

50 mg (3333% DV)

📊 41.7× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 50mg

Riboflavin

50 mg (2941% DV)

📊 38.5× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 50mg

Niacin

50 mg (250% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 50mg UL 35mg

Vitamin B6

50 mg (2500% 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

Folic Acid

400 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 0.4mg UL 1.0mg

Vitamin B12

50 mcg (833% DV)

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

RDA 0.0024mg This product: 0.05mg

Biotin

300 mcg (100% DV)

📊 10.0× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 0.3mg

Pantothenic Acid

50 mg (500% DV)

📊 10.0× RDA — above typical dose 📚 1 studies — no high-quality reviews

RDA 5mg This product: 50mg

Calcium

500 mg (50% DV)

Iron

18 mg (100% DV)

Iodine

150 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)

RDA 0.15mg This product: 0.15mg UL 1.1mg

Magnesium

50 mg (13% DV)

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

This product: 50mg

Zinc

15 mg (100% DV)

✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 15mg UL 40mg

Selenium

200 mcg (286% DV)

📊 3.6× RDA — above typical dose (UL: 0.4 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.2mg UL 0.4mg

Copper

2 mg (100% DV)

✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 2mg UL 10mg

Manganese

2 mg (100% DV)

✅ Within RDA (0.9× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 2mg UL 11mg

Chromium

120 mcg (100% DV)

📊 3.4× RDA — above typical dose 📚 197 studies (Tier A: 1, B: 55)

RDA 0.035mg This product: 0.12mg

Molybdenum

75 mcg (100% DV)

✅ 1.7× RDA — within safe limits 📚 2 studies — no high-quality reviews

RDA 0.045mg This product: 0.075mg UL 2mg

Super Antioxidant Blend

Fruit & Vegetable Blend

15 mg

Beauty Blend

Brain Health Blend

Other Ingredients

Cellulose Stearic Acid Magnesium Stearate Titanium Dioxide Talc natural Vanilla Mint flavor Chlorophyll Stevia leaf extract

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

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

Target Groups

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

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take two caplets daily with food.

⚠️ Warnings & Precautions

Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.

Keep out of reach of children.

Contains: Fish and soybeans.

Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery.

🧪 Formulation Notes

No artificial colors, no artificial flavors, no wheat, gluten free, no dairy, yeast free.

Women's health Contains a clinically studied women's multivitamin formula shown to work better than a basic multivitamin. Helps to support bone health.

Beauty Includes biotin to support healthy hair, skin and nails, as well as ingredients to support skin hydration and elasticity.

Contains: Fish and soybeans.

Additional Information

Conforms to USP <2091> for weight.

Store in a cool, dry place.

Gf Gluten free

Our quality commitment to you Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements. We continue to stand behind this mission. If you're not 100% satisfied with your purchase, return the unused portion of the product with your receipt within 30 days and we'll either refund your money or find you a replacement product that is right for you.

More antioxidant power than ever and over 30 clinically studied ingredients in every formula - all in smaller easier-to-swallow pills.

Antioxidants Packed with antioxidants for cell protection and stress defense. Immune support Supports immune health with 30% more absorption of key immune and stress defense nutrients.

In a randomized, double-blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blends for six weeks experienced significant improvements in serum levels of certain key nutrients compared to a placebo and a leading multivitamin formula based upon multivariate statistical analyses of a group of B vitamins (thiamin, niacin, riboflavin, pantothenic acid, biotin, folic acid and vitamins B-6 and B-12) and key antioxidants and carotenoids (a group of beta-carotene, alpha-tocopherol, selenium, lutein and lycopene. Statistical improvements in SF-36 Vitality and Mental Health scores were also observed compared to placebo.

Clinically studied multivitamin Antioxidants Immune support Beauty Clinically studied Timed-release

CODE 202422 KRG

Product Details

DSLD Entry Date 2017-09-21

Product Type Other Combinations

Form Other (e.g. tea bag)

Brand GNC Women's Ultra Mega

DSLD ID 78531

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 →