21st Century Mega Multi for Men, 90 Tablets supplement bottle
21st Century

Mega Multi for Men, 90 Tablets

What We Researched
39 active ingredients analyzed · 15 inactive ingredients decoded · 2 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
72
Product Score Fair
76
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (100% as Betatene® Beta-Carotene) 3,000 mcg 333%
Vitamin C (as Ascorbic Acid) 300 mg 333%
Vitamin D3 (as Cholecalciferol) (200 IU) 5 mcg 25%
Vitamin E (as d-Alpha Tocopheryl Succinate) 67 mg 447%
Vitamin K (as Phytonadione) 75 mcg 63%
Thiamin (as Thiamin Mononitrate, B1) 30 mg 2,500%
Riboflavin (Vitamin B-2) 30 mg 2,308%
Niacin (as Niacinamide) 30 mg 188%
Vitamin B-6 (as Pyridoxine HCl) 30 mg 1,765%
Folate (400 mcg Folic Acid) 667 mcg DFE 167%
Vitamin B-12 (as Cyanocobalamin) 30 mcg 1,250%
Biotin 250 mcg 833%
Pantothenic Acid (as d-Calcium Pantothenate) 30 mg 600%
Choline (as Choline Bitartrate) 10 mg 2%
Calcium (as Calcium Citrate) 210 mg 16%
Iodine (as Potassium Iodide) 150 mcg 100%
Magnesium (as Magnesium Oxide) 100 mg 24%
Zinc (as Zinc Oxide) 25 mg 227%
Selenium (as Selenium Yeast) 100 mcg 182%
Copper (as Copper Oxide) 2 mg 222%
Manganese (as Manganese Gluconate) 5 mg 217%
Chromium (as Chromium Picolinate) 50 mcg 143%
Silica (as Silicon Dioxide) 10 mcg **
Inositol 10 mg **
Para-Aminobenzoic Acid 10 mg **
Citrus Bioflavonoids Complex 25 mg **
Damiana (Turnera aphrodisiaca) (leaf) 70 mg **
Korean Ginseng Extract (Panax ginseng) (root) 70 mg **
Oat Straw (Avena sativa) (aerial) 70 mg **
Deodorized Garlic (Allium sativum) (root) 50 mg **
Oyster Extract 50 mg **
Saw Palmetto (Serenoa repens) (berry) 50 mg **
L-Cysteine HCl 50 mg **
Nettle (Urtica dioica) (leaf) 30 mg **
Pumpkin (Cucurbita pepo) (seed) 30 mg **
dl-Methionine 10 mg **
Alpha-Lipoic Acid 5 mg **
Lutein 500 mcg **
Lycopene 350 mcg **
Bioavailability Good

Absorption Rating

  • Vitamin A (100% as Betatene® Beta-Carotene) Fair
  • Vitamin C (as Ascorbic Acid) Fair
  • Vitamin D3 (as Cholecalciferol) (200 IU) Good
  • Vitamin E (as d-Alpha Tocopheryl Succinate) Good
  • Vitamin K (as Phytonadione) Fair
  • Thiamin (as Thiamin Mononitrate, B1) Fair
  • Riboflavin (Vitamin B-2) Good
  • Niacin (as Niacinamide) Good
  • Vitamin B-6 (as Pyridoxine HCl) Fair
  • Folate (400 mcg Folic Acid) Fair
  • Vitamin B-12 (as Cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as d-Calcium Pantothenate) Good
  • Choline (as Choline Bitartrate) Poor
  • Calcium (as Calcium Citrate) Good
  • Iodine (as Potassium Iodide) Good
  • Magnesium (as Magnesium Oxide) Poor
  • Zinc (as Zinc Oxide) Poor
  • Selenium (as Selenium Yeast) Good
  • Copper (as Copper Oxide) Fair
  • Manganese (as Manganese Gluconate) Good
  • Chromium (as Chromium Picolinate) Good
  • Silica (as Silicon Dioxide) Poor
  • Inositol Good
  • Para-Aminobenzoic Acid Good
  • Citrus Bioflavonoids Complex Fair
  • Damiana (Turnera aphrodisiaca) (leaf) Fair
  • Korean Ginseng Extract (Panax ginseng) (root) Good
  • Oat Straw (Avena sativa) (aerial) Fair
  • Deodorized Garlic (Allium sativum) (root) Fair
  • Oyster Extract Fair
  • Saw Palmetto (Serenoa repens) (berry) Poor
  • L-Cysteine HCl Good
  • Nettle (Urtica dioica) (leaf) Fair
  • Pumpkin (Cucurbita pepo) (seed) Fair
  • dl-Methionine Good
  • Alpha-Lipoic Acid Fair
  • Lutein Good
  • Lycopene Good
Other Ingredients Very Good

Fillers & Additives

  • Maltodextrin
  • Stearic Acid
  • Hydroxypropyl Methylcellulose
  • Cellulose
  • Brewers yeast
  • Dicalcium Phosphate
  • Ethylcellulose
  • Gelatin
  • Magnesium Silicate
  • Magnesium Stearate
  • Mixed tocopherols (from beta carotene)
  • Natural Vanilla Flavor
  • Polyethylene Glycol Low
  • Polysorbate Medium
  • Polyvinyl Alcohol
Efficacy Fair

Dosage Analysis

  • Vitamin A (100% as Betatene® Beta-Carotene) 3,000 mcg Effective
  • Vitamin C (as Ascorbic Acid) 300 mg Effective
  • Vitamin D3 (as Cholecalciferol) (200 IU) 5 mcg Under-dosed
  • Vitamin E (as d-Alpha Tocopheryl Succinate) 67 mg Effective
  • Vitamin K (as Phytonadione) 75 mcg Under-dosed
  • Thiamin (as Thiamin Mononitrate, B1) 30 mg Effective
  • Riboflavin (Vitamin B-2) 30 mg Effective
  • Niacin (as Niacinamide) 30 mg Effective
  • Vitamin B-6 (as Pyridoxine HCl) 30 mg Effective
  • Folate (400 mcg Folic Acid) 667 mcg DFE Effective
  • Vitamin B-12 (as Cyanocobalamin) 30 mcg Effective
  • Biotin 250 mcg Effective
  • Pantothenic Acid (as d-Calcium Pantothenate) 30 mg Effective
  • Choline (as Choline Bitartrate) 10 mg Under-dosed
  • Calcium (as Calcium Citrate) 210 mg Under-dosed
  • Iodine (as Potassium Iodide) 150 mcg Effective
  • Magnesium (as Magnesium Oxide) 100 mg Under-dosed
  • Zinc (as Zinc Oxide) 25 mg Effective
  • Selenium (as Selenium Yeast) 100 mcg Effective
  • Copper (as Copper Oxide) 2 mg Effective
  • Manganese (as Manganese Gluconate) 5 mg Effective
  • Chromium (as Chromium Picolinate) 50 mcg Effective
  • Inositol 10 mg Under-dosed
  • Para-Aminobenzoic Acid 10 mg Under-dosed
  • Citrus Bioflavonoids Complex 25 mg Under-dosed
  • Korean Ginseng Extract (Panax ginseng) (root) 70 mg Under-dosed
  • Oat Straw (Avena sativa) (aerial) 70 mg Under-dosed
  • Deodorized Garlic (Allium sativum) (root) 50 mg Under-dosed
  • Oyster Extract 50 mg Under-dosed
  • Saw Palmetto (Serenoa repens) (berry) 50 mg Under-dosed
  • L-Cysteine HCl 50 mg Under-dosed
  • Nettle (Urtica dioica) (leaf) 30 mg Under-dosed
  • Pumpkin (Cucurbita pepo) (seed) 30 mg Under-dosed
  • dl-Methionine 10 mg Under-dosed
  • Alpha-Lipoic Acid 5 mg Under-dosed
  • Lutein 500 mcg Under-dosed
  • Lycopene 350 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (100% as Betatene® Beta-Carotene) 3,000 mcg 333%
Vitamin C (as Ascorbic Acid) 300 mg 333%
Vitamin D3 (as Cholecalciferol) (200 IU) 5 mcg 25%
Vitamin E (as d-Alpha Tocopheryl Succinate) 67 mg 447%
Vitamin K (as Phytonadione) 75 mcg 63%
Thiamin (as Thiamin Mononitrate, B1) 30 mg 2,500%
Riboflavin (Vitamin B-2) 30 mg 2,308%
Niacin (as Niacinamide) 30 mg 188%
Vitamin B-6 (as Pyridoxine HCl) 30 mg 1,765%
Folate (400 mcg Folic Acid) 667 mcg DFE 167%
Vitamin B-12 (as Cyanocobalamin) 30 mcg 1,250%
Biotin 250 mcg 833%
Pantothenic Acid (as d-Calcium Pantothenate) 30 mg 600%
Choline (as Choline Bitartrate) 10 mg 2%
Calcium (as Calcium Citrate) 210 mg 16%
Iodine (as Potassium Iodide) 150 mcg 100%
Magnesium (as Magnesium Oxide) 100 mg 24%
Zinc (as Zinc Oxide) 25 mg 227%
Selenium (as Selenium Yeast) 100 mcg 182%
Copper (as Copper Oxide) 2 mg 222%
Manganese (as Manganese Gluconate) 5 mg 217%
Chromium (as Chromium Picolinate) 50 mcg 143%
Silica (as Silicon Dioxide) 10 mcg **
Inositol 10 mg **
Para-Aminobenzoic Acid 10 mg **
Citrus Bioflavonoids Complex 25 mg **
Damiana (Turnera aphrodisiaca) (leaf) 70 mg **
Korean Ginseng Extract (Panax ginseng) (root) 70 mg **
Oat Straw (Avena sativa) (aerial) 70 mg **
Deodorized Garlic (Allium sativum) (root) 50 mg **
Oyster Extract 50 mg **
Saw Palmetto (Serenoa repens) (berry) 50 mg **
L-Cysteine HCl 50 mg **
Nettle (Urtica dioica) (leaf) 30 mg **
Pumpkin (Cucurbita pepo) (seed) 30 mg **
dl-Methionine 10 mg **
Alpha-Lipoic Acid 5 mg **
Lutein 500 mcg **
Lycopene 350 mcg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Brewers yeast Unknown
Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Ethylcellulose Generally_safe

It is used as a coating to control the release of supplement ingredients.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Magnesium Silicate Generally_safe

It is used to improve powder flow and prevent clumping.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Mixed tocopherols (from beta carotene) Unknown
Natural Vanilla Flavor Generally_safe

It is used to enhance the taste of the supplement.

Polyethylene Glycol Caution

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

Polysorbate Generally_safe

It is used to help mix oil and water-based ingredients.

Polyvinyl Alcohol Generally_safe

It is used as a coating for tablets or capsules.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$16$15$14$13$12 Mar 12 $13.99
iHerb

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

Brand Trust Report
21st Century

Founded 1991 · Tempe, Arizona, United States · 231 products · 21stcenturyvitamins.com/

Certifications

2 certifications
Consumerlab Verified
Nsf Gmp Verified Source

Transparency

4 claims
Third Party Testing Claim — Claimed Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

4 incidents
Prop 65 Lead2021-06-22Source
Recall Vitamin D3 5000 IU Tablets2021-05-19Source
Lawsuit False advertising of Glucosamine/Chondroitin supplements.2012Source
Prop 65 Lead2008-12-23Source
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Frequently Asked Questions
Is 21st Century Mega Multi for Men, 90 Tablets a good supplement?

21st Century Mega Multi for Men, 90 Tablets received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 39 active ingredients with 45 servings per container. Of the 15 inactive ingredients, 6 are rated safe and 1 are flagged for review. The manufacturer, 21st Century, holds a brand trust score of 76/100 with 2 verified certifications including Consumerlab, Nsf Gmp.

What are the ingredients in 21st Century Mega Multi for Men, 90 Tablets?

21st Century Mega Multi for Men, 90 Tablets contains 39 active ingredients: Vitamin A (100% as Betatene® Beta-Carotene) (3,000 mcg), Vitamin C (as Ascorbic Acid) (300 mg), Vitamin D3 (as Cholecalciferol) (200 IU) (5 mcg), Vitamin E (as d-Alpha Tocopheryl Succinate) (67 mg), Vitamin K (as Phytonadione) (75 mcg), Thiamin (as Thiamin Mononitrate, B1) (30 mg), and 33 more. Notable high-dose ingredients include Vitamin A at 333% DV, Vitamin C at 333% DV, Vitamin E at 447% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is 21st Century Mega Multi for Men, 90 Tablets safe to take?

21st Century Mega Multi for Men, 90 Tablets has been analyzed for ingredient safety across all its components. Of 15 inactive ingredients, 6 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.

Is 21st Century a trustworthy supplement brand?

21st Century receives a brand trust score of 76/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1991 and headquartered in Tempe, Arizona, United States, the company offers 231 products in their lineup. They hold 2 verified certifications including Consumerlab, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: 21st Century has 4 historical regulatory incidents on record, which are factored into the trust score.

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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.