GNC Mega Men® Energy & Metabolism Multivitamin - 180 Caplets (90 Servings) supplement bottle
GNC Mega Men®

Energy & Metabolism Multivitamin - 180 Caplets (90 Servings)

What We Researched
36 active ingredients analyzed · 11 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
55
Product Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (As Cholecalciferol) 50 mg 250%
Vitamin E (As D-Alpha Tocopheryl Acetate) 20.1 mg 134%
Vitamin K (As Phytonadione) 80 mcg 67%
Thiamin (Vitamin B-1)(As Thiamin Mononitrate) 50 mg 4167%
Riboflavin (Vitamin B-2) 50 mg 3846%
Niacin (As Niacinamide & Niacin) 50 mcg 313%
Vitamin B-6 (As Pyridoxine Hydrochloride) 50 mg 2941%
Folate 680 mcg DFE 170%
Folic Acid 400 mcg
Vitamin B-12 (As Cyanocobalamin) 50 mcg 2083%
Biotin 300 mcg 1000%
Pantothenic Acid (As Calcium D-Pantothenate) 50 mcg 1000%
CHOLINE (AS CHOLINE BITARTRATE) 10 mg 2%
Magnesium (As Magnesium Oxide) 120 mcg 29%
Zinc (As Zinc Oxide) 25 mg 227%
Selenium (As L-Selenomethionine) 200 mcg 364%
COPPER (AS CUPRIC SULFATE) 2 mg 222%
Manganese (As Manganese Sulfate) 2 mg 87%
CHROMIUM (AS CHROMIUM CHLORIDE) 120 mcg 343%
Molybdenum (As Sodium Molybdate) 75 mcg 167%
Vitamin A (50% as beta-Carotene & 50% as Retinyl Acetate) 1500 mcg RAE 50%
Vitamin C (as Ascorbic Acid & Calcium Ascorbate) 300 mg 333%
Calcium (as Calcium Carbonate, Dicalcium Phosphate & Calcium d-Pantothenate) 210 mg 16%
lodine (as Potassium lodide) 150 mcg 100%
Coffee (Coffea arabica) Bean Powder (Standardized to 98% Caffeine = 100 mg)* 102 mg
alpha-Lipoic Acid* 25 mg
Inositol* 10 mg
Capsicum (Capsicum annuum) Seed Extract* 10 mg
Silica (as Silicon Dioxide)* 4 mg
Black Pepper (Piper nigrum) Fruit Extract (Standardized to 95% Piperine = 2.5 mg)* 2.6 mg
Boron (as Sodium Borate)* 2 mg
Lutein (from Marigold [Tagetes erecta] Flower Extract)* 2 mg
Lycopene* 2 mg
Zeaxanthin (as Zeaxanthin Isomers from Marigold [Tagetes erecta] Flower Extract)* 400 mcg
Astaxanthin (from Haematococcus pluvialis)* 50 mcg
Vanadium (as Sodium Metavanadate)* 10 mcg
Bioavailability Good

Absorption Rating

  • Vitamin D (As Cholecalciferol) Good
  • Vitamin E (As D-Alpha Tocopheryl Acetate) Good
  • Vitamin K (As Phytonadione) Fair
  • Thiamin (Vitamin B-1)(As Thiamin Mononitrate) Fair
  • Riboflavin (Vitamin B-2) Good
  • Niacin (As Niacinamide & Niacin) Good
  • Vitamin B-6 (As Pyridoxine Hydrochloride) Fair
  • Folate Fair
  • Folic Acid Fair
  • Vitamin B-12 (As Cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (As Calcium D-Pantothenate) Good
  • CHOLINE (AS CHOLINE BITARTRATE) Poor
  • Magnesium (As Magnesium Oxide) Poor
  • Zinc (As Zinc Oxide) Poor
  • Selenium (As L-Selenomethionine) Good
  • COPPER (AS CUPRIC SULFATE) Fair
  • Manganese (As Manganese Sulfate) Good
  • CHROMIUM (AS CHROMIUM CHLORIDE) Poor
  • Molybdenum (As Sodium Molybdate) Good
  • Vitamin A (50% as beta-Carotene & 50% as Retinyl Acetate) Good
  • Vitamin C (as Ascorbic Acid & Calcium Ascorbate) Good
  • Calcium (as Calcium Carbonate, Dicalcium Phosphate & Calcium d-Pantothenate) Fair
  • lodine (as Potassium lodide) Good
  • Coffee (Coffea arabica) Bean Powder (Standardized to 98% Caffeine = 100 mg)* Good
  • alpha-Lipoic Acid* Fair
  • Inositol* Good
  • Capsicum (Capsicum annuum) Seed Extract* Fair
  • Silica (as Silicon Dioxide)* Poor
  • Black Pepper (Piper nigrum) Fruit Extract (Standardized to 95% Piperine = 2.5 mg)* Good
  • Boron (as Sodium Borate)* Fair
  • Lutein (from Marigold [Tagetes erecta] Flower Extract)* Good
  • Lycopene* Good
  • Zeaxanthin (as Zeaxanthin Isomers from Marigold [Tagetes erecta] Flower Extract)* Good
  • Astaxanthin (from Haematococcus pluvialis)* Good
  • Vanadium (as Sodium Metavanadate)* Poor
Other Ingredients Poor

Fillers & Additives

  • Cellulose
  • Corn Starch
  • Stearic Acid Vegetable Source
  • Polyvinyl Alcohol
  • Magnesium Stearate Vegetable Source
  • Titanium Dioxide (Mineral Whitener) High
  • Polyethylene Glycol Low
  • Talc High
  • Caramel Color
  • Natural Vanilla Mint Flavor
  • Steviol Glycosides
Efficacy Fair

Dosage Analysis

  • Vitamin D (As Cholecalciferol) 50 mg Under-dosed
  • Vitamin E (As D-Alpha Tocopheryl Acetate) 20.1 mg Effective
  • Vitamin K (As Phytonadione) 80 mcg Under-dosed
  • Thiamin (Vitamin B-1)(As Thiamin Mononitrate) 50 mg Effective
  • Riboflavin (Vitamin B-2) 50 mg Effective
  • Niacin (As Niacinamide & Niacin) 50 mcg Under-dosed
  • Vitamin B-6 (As Pyridoxine Hydrochloride) 50 mg Effective
  • Folate 680 mcg DFE Effective
  • Folic Acid 400 mcg Effective
  • Vitamin B-12 (As Cyanocobalamin) 50 mcg Effective
  • Biotin 300 mcg Effective
  • Pantothenic Acid (As Calcium D-Pantothenate) 50 mcg Under-dosed
  • CHOLINE (AS CHOLINE BITARTRATE) 10 mg Under-dosed
  • Magnesium (As Magnesium Oxide) 120 mcg Under-dosed
  • Zinc (As Zinc Oxide) 25 mg Effective
  • Selenium (As L-Selenomethionine) 200 mcg Effective
  • COPPER (AS CUPRIC SULFATE) 2 mg Effective
  • Manganese (As Manganese Sulfate) 2 mg Effective
  • CHROMIUM (AS CHROMIUM CHLORIDE) 120 mcg Effective
  • Molybdenum (As Sodium Molybdate) 75 mcg Effective
  • Vitamin A (50% as beta-Carotene & 50% as Retinyl Acetate) 1500 mcg RAE Effective
  • Vitamin C (as Ascorbic Acid & Calcium Ascorbate) 300 mg Effective
  • Calcium (as Calcium Carbonate, Dicalcium Phosphate & Calcium d-Pantothenate) 210 mg Under-dosed
  • lodine (as Potassium lodide) 150 mcg Under-dosed
  • Coffee (Coffea arabica) Bean Powder (Standardized to 98% Caffeine = 100 mg)* 102 mg Effective
  • alpha-Lipoic Acid* 25 mg Under-dosed
  • Inositol* 10 mg Under-dosed
  • Capsicum (Capsicum annuum) Seed Extract* 10 mg Effective
  • Black Pepper (Piper nigrum) Fruit Extract (Standardized to 95% Piperine = 2.5 mg)* 2.6 mg Under-dosed
  • Boron (as Sodium Borate)* 2 mg Under-dosed
  • Lutein (from Marigold [Tagetes erecta] Flower Extract)* 2 mg Under-dosed
  • Lycopene* 2 mg Under-dosed
  • Zeaxanthin (as Zeaxanthin Isomers from Marigold [Tagetes erecta] Flower Extract)* 400 mcg Under-dosed
  • Astaxanthin (from Haematococcus pluvialis)* 50 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (As Cholecalciferol) 50 mg 250%
Vitamin E (As D-Alpha Tocopheryl Acetate) 20.1 mg 134%
Vitamin K (As Phytonadione) 80 mcg 67%
Thiamin (Vitamin B-1)(As Thiamin Mononitrate) 50 mg 4167%
Riboflavin (Vitamin B-2) 50 mg 3846%
Niacin (As Niacinamide & Niacin) 50 mcg 313%
Vitamin B-6 (As Pyridoxine Hydrochloride) 50 mg 2941%
Folate 680 mcg DFE 170%
Folic Acid 400 mcg
Vitamin B-12 (As Cyanocobalamin) 50 mcg 2083%
Biotin 300 mcg 1000%
Pantothenic Acid (As Calcium D-Pantothenate) 50 mcg 1000%
CHOLINE (AS CHOLINE BITARTRATE) 10 mg 2%
Magnesium (As Magnesium Oxide) 120 mcg 29%
Zinc (As Zinc Oxide) 25 mg 227%
Selenium (As L-Selenomethionine) 200 mcg 364%
COPPER (AS CUPRIC SULFATE) 2 mg 222%
Manganese (As Manganese Sulfate) 2 mg 87%
CHROMIUM (AS CHROMIUM CHLORIDE) 120 mcg 343%
Molybdenum (As Sodium Molybdate) 75 mcg 167%
Vitamin A (50% as beta-Carotene & 50% as Retinyl Acetate) 1500 mcg RAE 50%
Vitamin C (as Ascorbic Acid & Calcium Ascorbate) 300 mg 333%
Calcium (as Calcium Carbonate, Dicalcium Phosphate & Calcium d-Pantothenate) 210 mg 16%
lodine (as Potassium lodide) 150 mcg 100%
Coffee (Coffea arabica) Bean Powder (Standardized to 98% Caffeine = 100 mg)* 102 mg
alpha-Lipoic Acid* 25 mg
Inositol* 10 mg
Capsicum (Capsicum annuum) Seed Extract* 10 mg
Silica (as Silicon Dioxide)* 4 mg
Black Pepper (Piper nigrum) Fruit Extract (Standardized to 95% Piperine = 2.5 mg)* 2.6 mg
Boron (as Sodium Borate)* 2 mg
Lutein (from Marigold [Tagetes erecta] Flower Extract)* 2 mg
Lycopene* 2 mg
Zeaxanthin (as Zeaxanthin Isomers from Marigold [Tagetes erecta] Flower Extract)* 400 mcg
Astaxanthin (from Haematococcus pluvialis)* 50 mcg
Vanadium (as Sodium Metavanadate)* 10 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Corn Starch Generally_safe

It is used as a filler, binder, or thickener.

Stearic Acid Vegetable Source Unknown
Polyvinyl Alcohol Generally_safe

It is used as a coating for tablets or capsules.

Magnesium Stearate Vegetable Source Unknown
Titanium Dioxide (Mineral Whitener) Unknown
Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Caramel Color Generally_safe

It provides a brown color to the product.

Natural Vanilla Mint Flavor Unknown
Steviol Glycosides Safe

It is used as a sweetener.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$50$49$48$47$46 Mar 12 $47.99
GNC

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

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Frequently Asked Questions
Is GNC Mega Men® Energy & Metabolism Multivitamin - 180 Caplets (90 Servings) a good supplement?

GNC Mega Men® Energy & Metabolism Multivitamin - 180 Caplets (90 Servings) received a product quality score of 55/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 36 active ingredients with 90 servings per container. Of the 11 inactive ingredients, 2 are rated safe and 1 are flagged for review.

What are the ingredients in GNC Mega Men® Energy & Metabolism Multivitamin - 180 Caplets (90 Servings)?

GNC Mega Men® Energy & Metabolism Multivitamin - 180 Caplets (90 Servings) contains 36 active ingredients: Vitamin D (As Cholecalciferol) (50 mg), Vitamin E (As D-Alpha Tocopheryl Acetate) (20.1 mg), Vitamin K (As Phytonadione) (80 mcg), Thiamin (Vitamin B-1)(As Thiamin Mononitrate) (50 mg), Riboflavin (Vitamin B-2) (50 mg), Niacin (As Niacinamide & Niacin) (50 mcg), and 30 more. Notable high-dose ingredients include Vitamin D at 250% DV, Thiamin at 4167% DV, Riboflavin at 3846% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GNC Mega Men® Energy & Metabolism Multivitamin - 180 Caplets (90 Servings) safe to take?

GNC Mega Men® Energy & Metabolism Multivitamin - 180 Caplets (90 Servings) has been analyzed for ingredient safety across all its components. Of 11 inactive ingredients, 2 are rated safe. 1 ingredient is flagged for review: Polyethylene Glycol. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.