Natural Factors Men's 50+ MultiStart, 120 Tablets supplement bottle
Natural Factors

Men's 50+ MultiStart, 120 Tablets

What We Researched
35 active ingredients analyzed · 5 inactive ingredients decoded · 5 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
79
Product Score Fair
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (14% [1125 mcg] vitamin A palmitate & 86% [6750 mcg] beta-carotene) 7875 mcg RAE 875%
Vitamin C (ascorbic acid) 375 mg 417%
Vitamin D3 (cholecalciferol) (150 IU) 3.75 mcg 19%
Vitamin E (d-alpha tocopheryl acid succinate) 201 mg 1,340%
Vitamin K1 45 mcg 38%
Thiamin (hydrochloride) 45 mg 3,750%
Riboflavin 7.5 mg 577%
Niacin (inositol nicotinate & niacinamide) 97 mg 606%
Vitamin B6 (pyridoxine hydrochloride) 22.5 mg 1,324%
Folate (600 mcg folic acid) 1020 mcg DFE 255%
Vitamin B12 (cyanocobalamin) 600 mcg 25,000%
Biotin 450 mcg 1,500%
Pantothenic Acid (calcium pantothenate) 75 mg 1,500%
Choline (bitartrate) 75 mg 14%
Calcium (carbonate & citrate) 300 mg 23%
Iodine (from kelp) 225 mcg 150%
Magnesium (oxide & citrate) 187 mg 45%
Zinc (citrate) 22.5 mg 205%
Selenium (chelate) 75 mcg 136%
Copper (gluconate) 1.1 mg 125%
Manganese (citrate) 11.25 mg 489%
Chromium (picolinate) 150 mcg 429%
Molybdenum (citrate) 18.75 mcg 42%
Inositol 75 mg **
Saw Palmetto Extract 8:1 (fruit) 75 mg **
Ginkgo biloba Phytosome (leaf) (soy) 60 mcg **
Betaine HCl 37.5 mg **
Glutamic Acid HCl 37.5 mg **
Alfalfa Juice Powder 12:1 (aerial) 37.5 mg **
Spirulina Algae Powder (Arthrospira platensis) 37.5 mg **
Wheatgrass Juice Powder (Triticum aestivum) (leaf)† 37.5 mg **
Panax Ginseng (root) 22.5 mg **
Boron (citrate) 0.75 mg **
Lutein (Tagetes erecta) (marigold flowers) 0.75 mg **
Vanadium (citrate) 60 mcg **
Bioavailability Good

Absorption Rating

  • Vitamin A (14% [1125 mcg] vitamin A palmitate & 86% [6750 mcg] beta-carotene) Fair
  • Vitamin C (ascorbic acid) Fair
  • Vitamin D3 (cholecalciferol) (150 IU) Good
  • Vitamin E (d-alpha tocopheryl acid succinate) Good
  • Vitamin K1 Fair
  • Thiamin (hydrochloride) Good
  • Riboflavin Good
  • Niacin (inositol nicotinate & niacinamide) Good
  • Vitamin B6 (pyridoxine hydrochloride) Fair
  • Folate (600 mcg folic acid) Fair
  • Vitamin B12 (cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (calcium pantothenate) Good
  • Choline (bitartrate) Poor
  • Calcium (carbonate & citrate) Good
  • Iodine (from kelp) Good
  • Magnesium (oxide & citrate) Good
  • Zinc (citrate) Fair
  • Selenium (chelate) Good
  • Copper (gluconate) Fair
  • Manganese (citrate) Good
  • Chromium (picolinate) Fair
  • Molybdenum (citrate) Good
  • Inositol Good
  • Saw Palmetto Extract 8:1 (fruit) Poor
  • Ginkgo biloba Phytosome (leaf) (soy) Poor
  • Betaine HCl Fair
  • Glutamic Acid HCl Fair
  • Alfalfa Juice Powder 12:1 (aerial) Fair
  • Spirulina Algae Powder (Arthrospira platensis) Good
  • Wheatgrass Juice Powder (Triticum aestivum) (leaf)† Fair
  • Panax Ginseng (root) Good
  • Boron (citrate) Fair
  • Lutein (Tagetes erecta) (marigold flowers) Good
  • Vanadium (citrate) Poor
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Coating (Carbohydrate Gum [Cellulose], Glycerin)
  • Stearic Acid
  • Magnesium Stearate (Vegetable Grade)
  • Croscarmellose Sodium
Efficacy Fair

Dosage Analysis

  • Vitamin A (14% [1125 mcg] vitamin A palmitate & 86% [6750 mcg] beta-carotene) 7875 mcg RAE High
  • Vitamin C (ascorbic acid) 375 mg Effective
  • Vitamin D3 (cholecalciferol) (150 IU) 3.75 mcg Under-dosed
  • Vitamin E (d-alpha tocopheryl acid succinate) 201 mg High
  • Vitamin K1 45 mcg Under-dosed
  • Thiamin (hydrochloride) 45 mg Effective
  • Riboflavin 7.5 mg Effective
  • Niacin (inositol nicotinate & niacinamide) 97 mg High
  • Vitamin B6 (pyridoxine hydrochloride) 22.5 mg Effective
  • Folate (600 mcg folic acid) 1020 mcg DFE High
  • Vitamin B12 (cyanocobalamin) 600 mcg Effective
  • Biotin 450 mcg Effective
  • Pantothenic Acid (calcium pantothenate) 75 mg Effective
  • Choline (bitartrate) 75 mg Under-dosed
  • Calcium (carbonate & citrate) 300 mg Under-dosed
  • Iodine (from kelp) 225 mcg Effective
  • Magnesium (oxide & citrate) 187 mg Under-dosed
  • Zinc (citrate) 22.5 mg Effective
  • Selenium (chelate) 75 mcg Effective
  • Copper (gluconate) 1.1 mg Effective
  • Manganese (citrate) 11.25 mg High
  • Chromium (picolinate) 150 mcg Effective
  • Molybdenum (citrate) 18.75 mcg Under-dosed
  • Inositol 75 mg Under-dosed
  • Saw Palmetto Extract 8:1 (fruit) 75 mg Under-dosed
  • Ginkgo biloba Phytosome (leaf) (soy) 60 mcg Under-dosed
  • Betaine HCl 37.5 mg Under-dosed
  • Glutamic Acid HCl 37.5 mg Under-dosed
  • Spirulina Algae Powder (Arthrospira platensis) 37.5 mg Under-dosed
  • Panax Ginseng (root) 22.5 mg Under-dosed
  • Boron (citrate) 0.75 mg Under-dosed
  • Lutein (Tagetes erecta) (marigold flowers) 0.75 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (14% [1125 mcg] vitamin A palmitate & 86% [6750 mcg] beta-carotene) 7875 mcg RAE 875%
Vitamin C (ascorbic acid) 375 mg 417%
Vitamin D3 (cholecalciferol) (150 IU) 3.75 mcg 19%
Vitamin E (d-alpha tocopheryl acid succinate) 201 mg 1,340%
Vitamin K1 45 mcg 38%
Thiamin (hydrochloride) 45 mg 3,750%
Riboflavin 7.5 mg 577%
Niacin (inositol nicotinate & niacinamide) 97 mg 606%
Vitamin B6 (pyridoxine hydrochloride) 22.5 mg 1,324%
Folate (600 mcg folic acid) 1020 mcg DFE 255%
Vitamin B12 (cyanocobalamin) 600 mcg 25,000%
Biotin 450 mcg 1,500%
Pantothenic Acid (calcium pantothenate) 75 mg 1,500%
Choline (bitartrate) 75 mg 14%
Calcium (carbonate & citrate) 300 mg 23%
Iodine (from kelp) 225 mcg 150%
Magnesium (oxide & citrate) 187 mg 45%
Zinc (citrate) 22.5 mg 205%
Selenium (chelate) 75 mcg 136%
Copper (gluconate) 1.1 mg 125%
Manganese (citrate) 11.25 mg 489%
Chromium (picolinate) 150 mcg 429%
Molybdenum (citrate) 18.75 mcg 42%
Inositol 75 mg **
Saw Palmetto Extract 8:1 (fruit) 75 mg **
Ginkgo biloba Phytosome (leaf) (soy) 60 mcg **
Betaine HCl 37.5 mg **
Glutamic Acid HCl 37.5 mg **
Alfalfa Juice Powder 12:1 (aerial) 37.5 mg **
Spirulina Algae Powder (Arthrospira platensis) 37.5 mg **
Wheatgrass Juice Powder (Triticum aestivum) (leaf)† 37.5 mg **
Panax Ginseng (root) 22.5 mg **
Boron (citrate) 0.75 mg **
Lutein (Tagetes erecta) (marigold flowers) 0.75 mg **
Vanadium (citrate) 60 mcg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Coating (Carbohydrate Gum [Cellulose], Glycerin) Generally_safe

It is used to protect the supplement ingredients and improve swallowability.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate (Vegetable Grade) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$24$23$21$19$17 Mar 12 $22.37$19.00
iHerb
Vitacost

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

Brand Trust Report
Natural Factors

Founded 1950 · Coquitlam, British Columbia, Canada · 390 products · naturalfactors.com

Certifications

5 certifications
B Corp Certified Verified Source
Usp Verified Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

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

Violation History

5 incidents
Prop 65 Lead2025-10-31Source
Recall Hi Potency B Complex, RevitalX, Super Multi® IRON FREE2024-07-19Source
Lawsuit Products labeled as containing glucosamine sulfate did not contain the ingredient.2021Source
Prop 65 Lead2016-01-13Source
Recall Natural Factors L-Arginine 500mg2006-04-05Source
Related Supplements
Frequently Asked Questions
Is Natural Factors Men's 50+ MultiStart, 120 Tablets a good supplement?

Natural Factors Men's 50+ MultiStart, 120 Tablets received a product quality score of 79/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 35 active ingredients with 40 servings per container. Of the 5 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Natural Factors, holds a brand trust score of 88/100 with 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in Natural Factors Men's 50+ MultiStart, 120 Tablets?

Natural Factors Men's 50+ MultiStart, 120 Tablets contains 35 active ingredients: Vitamin A (14% [1125 mcg] vitamin A palmitate & 86% [6750 mcg] beta-carotene) (7875 mcg RAE), Vitamin C (ascorbic acid) (375 mg), Vitamin D3 (cholecalciferol) (150 IU) (3.75 mcg), Vitamin E (d-alpha tocopheryl acid succinate) (201 mg), Vitamin K1 (45 mcg), Thiamin (hydrochloride) (45 mg), and 29 more. Notable high-dose ingredients include Vitamin A at 875% DV, Vitamin C at 417% DV, Vitamin E at 1,340% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Factors Men's 50+ MultiStart, 120 Tablets safe to take?

Natural Factors Men's 50+ MultiStart, 120 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Natural Factors a trustworthy supplement brand?

Natural Factors receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1950 and headquartered in Coquitlam, British Columbia, Canada, the company offers 390 products in their lineup. They hold 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natural Factors has 5 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.