Mason Natural Stress B-Complex with Antioxidants + Zinc, 60 Tablets supplement bottle
Mason Natural

Stress B-Complex with Antioxidants + Zinc, 60 Tablets

What We Researched
13 active ingredients analyzed · 11 inactive ingredients decoded · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
63
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as ascorbic acid) 500 mg 560%
Vitamin E (as dl-alpha tocopheryl acetate) (30 IU) 13.5 mg 90%
Vitamin B1 (as thiamine mononitrate) 10 mg 830%
Vitamin B2 (riboflavin) 10 mg 770%
Niacin (as niacinamide) 100 mg NE 630%
Vitamin B6 (as pyridoxine hydrochloride) 5 mg 290%
Folate (400 mcg folic acid) 670 mcg DFE 170%
Vitamin B12 (aws cyanocobalamin) 12 mcg 500%
Biotin 45 mcg 150%
Pantothenic Acid (as d-calcium pantothenate) 20 mg 400%
Calcium (as dicalcium phosphate) 77 mg 6%
Zinc (as zinc sulfate) 24 mg 220%
Copper (as cupric oxide) 3 mg 330%
Bioavailability Fair

Absorption Rating

  • Vitamin C (as ascorbic acid) Fair
  • Vitamin E (as dl-alpha tocopheryl acetate) (30 IU) Poor
  • Vitamin B1 (as thiamine mononitrate) Fair
  • Vitamin B2 (riboflavin) Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as pyridoxine hydrochloride) Fair
  • Folate (400 mcg folic acid) Fair
  • Vitamin B12 (aws cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as d-calcium pantothenate) Good
  • Calcium (as dicalcium phosphate) Fair
  • Zinc (as zinc sulfate) Fair
  • Copper (as cupric oxide) Poor
Other Ingredients Poor

Fillers & Additives

  • Microcrystalline Cellulose
  • Stearic Acid
  • Croscarmellose Sodium
  • Vegetable Magnesium Stearate
  • Silicon Dioxide
  • Hydroxypropyl Methylcellulose
  • Titanium Dioxide High
  • Glyceryl Triacetate
  • FD&C Red #40 Medium
  • FD&C Yellow #6 Low
  • FD&C Blue #1 Medium
Efficacy Very Good

Dosage Analysis

  • Vitamin C (as ascorbic acid) 500 mg Effective
  • Vitamin E (as dl-alpha tocopheryl acetate) (30 IU) 13.5 mg Under-dosed
  • Vitamin B1 (as thiamine mononitrate) 10 mg Effective
  • Vitamin B2 (riboflavin) 10 mg Effective
  • Niacin (as niacinamide) 100 mg NE High
  • Vitamin B6 (as pyridoxine hydrochloride) 5 mg Effective
  • Folate (400 mcg folic acid) 670 mcg DFE Effective
  • Vitamin B12 (aws cyanocobalamin) 12 mcg Effective
  • Biotin 45 mcg Effective
  • Pantothenic Acid (as d-calcium pantothenate) 20 mg Effective
  • Calcium (as dicalcium phosphate) 77 mg Under-dosed
  • Zinc (as zinc sulfate) 24 mg Effective
  • Copper (as cupric oxide) 3 mg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as ascorbic acid) 500 mg 560%
Vitamin E (as dl-alpha tocopheryl acetate) (30 IU) 13.5 mg 90%
Vitamin B1 (as thiamine mononitrate) 10 mg 830%
Vitamin B2 (riboflavin) 10 mg 770%
Niacin (as niacinamide) 100 mg NE 630%
Vitamin B6 (as pyridoxine hydrochloride) 5 mg 290%
Folate (400 mcg folic acid) 670 mcg DFE 170%
Vitamin B12 (aws cyanocobalamin) 12 mcg 500%
Biotin 45 mcg 150%
Pantothenic Acid (as d-calcium pantothenate) 20 mg 400%
Calcium (as dicalcium phosphate) 77 mg 6%
Zinc (as zinc sulfate) 24 mg 220%
Copper (as cupric oxide) 3 mg 330%

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.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Glyceryl Triacetate Generally_safe

It is used as a solvent or to improve the texture of supplements.

FD&C Red #40 Caution

It is used to improve the appearance of the supplement.

FD&C Yellow #6 Caution

It is used to add color to the supplement.

FD&C Blue #1 Caution

It is used to improve the appearance of the supplement.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$8$7$6$5$4 Mar 12 $6.29
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
Mason Natural

Founded 1967 · Miami Lakes, Florida, USA · 161 products · masonvitamins.com

Certifications

2 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

4 incidents
Recall Herbal Colon Cleanser Capsules2025-09-02Source
Recall Healthy Sense Daily Multiple with Iron and People's Choice Women's Daily Vitamins with Iron2022-11-17Source
Prop 65 Lead2017-03-10Source
Prop 65 Lead2016-03-28Source
Related Supplements
Frequently Asked Questions
Is Mason Natural Stress B-Complex with Antioxidants + Zinc, 60 Tablets a good supplement?

Mason Natural Stress B-Complex with Antioxidants + Zinc, 60 Tablets received a product quality score of 63/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 13 active ingredients with 60 servings per container. Of the 11 inactive ingredients, 6 are rated safe and 4 are flagged for review. The manufacturer, Mason Natural, holds a brand trust score of 66/100 with 2 verified certifications including Consumerlab, Fda Gmp Inspections.

What are the ingredients in Mason Natural Stress B-Complex with Antioxidants + Zinc, 60 Tablets?

Mason Natural Stress B-Complex with Antioxidants + Zinc, 60 Tablets contains 13 active ingredients: Vitamin C (as ascorbic acid) (500 mg), Vitamin E (as dl-alpha tocopheryl acetate) (30 IU) (13.5 mg), Vitamin B1 (as thiamine mononitrate) (10 mg), Vitamin B2 (riboflavin) (10 mg), Niacin (as niacinamide) (100 mg NE), Vitamin B6 (as pyridoxine hydrochloride) (5 mg), and 7 more. Notable high-dose ingredients include Vitamin C at 560% DV, Vitamin B1 at 830% DV, Vitamin B2 at 770% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Mason Natural Stress B-Complex with Antioxidants + Zinc, 60 Tablets safe to take?

Mason Natural Stress B-Complex with Antioxidants + Zinc, 60 Tablets has been analyzed for ingredient safety across all its components. Of 11 inactive ingredients, 6 are rated safe. 4 ingredients are flagged for review: Titanium Dioxide, FD&C Red #40, FD&C Yellow #6. '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 Mason Natural a trustworthy supplement brand?

Mason Natural receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1967 and headquartered in Miami Lakes, Florida, USA, the company offers 161 products in their lineup. They hold 2 verified certifications including Consumerlab, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Mason Natural has 4 historical regulatory incidents on record, which are factored into the trust score.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

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 is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.