Mega Men Sport Multivitamin by GNC AMP Advanced Muscle Performance — Ingredients, Evidence & Safety

🟢 98/100

This product looks safe

Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
Folate: 680mg is 680.0× the Tolerable Upper Intake Level (1.0mg)
68% of ingredients have research evidence

D Label Compliance Grade

Product Label

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Safety Alerts

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

⚠️ Folate: 680mg is 680.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

2 Caplet(s) Serving Size

Other Combinations Product Type

68% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

1500 mcg (167% DV)

Vitamin C

300 mg (333% DV)

Vitamin D

40 mcg (200% 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

20.1 mg (134% 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 (67% 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 (4167% DV)

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

RDA 1.2mg This product: 50mg

Riboflavin

50 mg (3846% DV)

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

RDA 1.3mg This product: 50mg

Niacin

50 mg (313% 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 (2941% 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

Folate

680 mcg DFE (170% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 680.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 680mg UL 1.0mg

Vitamin B12

50 mcg (2083% DV)

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

RDA 0.0024mg This product: 0.05mg

Biotin

300 mcg (1000% 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 (1000% DV)

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

RDA 5mg This product: 50mg

Choline

10 mg (2% DV)

📊 Market median: 125.0mg (294 products) 📚 36 studies (Tier A: 1, B: 7)

RDA 550mg This product: 10mg UL 3500mg

Calcium

200 mg (15% 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

100 mg (24% DV)

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

This product: 100mg

Zinc

25 mg (227% DV)

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

RDA 11mg This product: 25mg UL 40mg

Selenium

200 mcg (364% 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 (222% 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 (87% 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 (343% DV)

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

RDA 0.035mg This product: 0.12mg

Molybdenum

75 mcg (167% DV)

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

RDA 0.045mg This product: 0.075mg UL 2mg

Chloride

72 mg (3% DV)

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

This product: 72mg

Potassium

80 mg (2% DV)

Sports Blend

54.91 mg

Super Antioxidant Blend

28.96 mg

Branched Chain Amino Acid Blend

150 mg

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

This product: 150mg

Other Ingredients

Microcrystalline Cellulose Stearic Acid Cellulose Hydroxypropylcellulose Hydroxypropyl Methylcellulose Dicalcium Phosphate Calcium Silicate Magnesium Stearate natural Vanilla Mint flavor Stevia leaf extract Caramel color Polyethylene Glycol Titanium Dioxide Talc

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 Male (18-50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take the contents of one pack daily with food. Consume ample amounts of water while taking this product.

⚠️ Warnings & Precautions

Contains: Soybeans and fish (anchovy, mackerel, sardine, smelt, salmon, tuna, cod or a combination thereof).

Warning: Cancer and Reproductive Harm- www.P65Warnings.ca.gov.

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.

Inform your physician of this product's biotin content before any lab test. Niacin may cause a temporary flushing reaction.

Keep out of reach of children.

🧪 Formulation Notes

GNC AMP Men's Strength Vitapak Program delivers the power of three science-based formulas to help you achieve your daily nutritional goals as you build muscles and get stronger.

Get the nutritional support active men need

Clinically studied Men's Multivitamin Blend shown to work better than a basic multivitamin & packed with antioxidants to help fight free radicals that can be produced from you workout Increase athletic performance & support a healthy inflammatory response Features high-quality anabolic primers combined with healthy inflammatory response support If its in our packages, then its on our boxes. Clinically studied ingredients backed by real science. Get vitamins. Fuel muscles. Get stronger.

Includes clinically studied Multivitamin Blend

Vitapak Program for performance + muscle support Increases strength & fuels your muscles 189% more efficiently Helps build mass & supports a healthy inflammatory response

Conforms to USP <2091> for weight.

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

Additional Information

3 products in 1 pack

Store in a cool, dry place.

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 a replacement product that is right for you.

In a randomized, double-blind, placebo-controlled study of 57 healthy, young adult males, subjects who took GNC AMP Creatine HCl 189 containing only 1.25 grams of the PEG-Creatine System significantly improved leg press 1-RM performance by 54.3 pounds, while sugjects receiving 5 grams of creatine monohydrate significantly improved performance by 52.3 pounds and the placebo group showed no significant improvements at 5.7 pounds at the end of the study.

Product Details

DSLD Entry Date 2020-07-23

Product Type Other Combinations

Form Other (e.g. tea bag)

Brand GNC AMP Advanced Muscle Performance

Bundle Men's Strength Vitapak Program for Performance + Muscle Support

DSLD ID 229788

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 →