Nature Made Stress B-Complex Supplement With Vitamin C And Zinc supplement bottle
Nature Made

Stress B-Complex Supplement With Vitamin C And Zinc

What We Researched
12 active ingredients analyzed · 21 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
91
Product Score Excellent
86
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C 500 mg 833%
Vitamin E 30 IU 100%
Thiamine 10 mg 667%
Riboflavin 10 mg 588%
Niacin 100 mg 500%
Vitamin B6 5 mg 250%
Folic Acid 400 mcg 100%
Vitamin B12 12 mcg 200%
Biotin 45 mcg 15%
Pantothenic Acid 20 mg 200%
Zinc 23.9 mg 159%
Copper 3 mg 150%
Bioavailability Very Good

Absorption Rating

  • Vitamin C Fair
  • Vitamin E Good
  • Thiamine Good
  • Riboflavin Good
  • Niacin Good
  • Vitamin B6 Fair
  • Folic Acid Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic Acid Good
  • Zinc Fair
  • Copper Fair
Other Ingredients Excellent

Fillers & Additives

  • Niacinamide Ascorbate
  • Ascorbic Acid
  • Calcium Carbonate
  • Cellulose Gel
  • Zinc Sulfate
  • DL-Alpha-Tocopheryl Acetate
  • Calcium D-Pantothenate
  • Modified Food Starch
  • Corn Starch
  • Thiamine Mononitrate
  • Magnesium Stearate
  • Riboflavin
  • Dibasic Calcium Phosphate
  • Hydroxypropyl Methylcellulose
  • Pyridoxine Hydrochloride
  • Stearic Acid
  • Copper Oxide
  • Polyethylene Glycol Low
  • Folic Acid
  • Biotin
  • Cyanocobalamin
Efficacy Excellent

Dosage Analysis

  • Vitamin C 500 mg Effective
  • Vitamin E 30 IU Effective
  • Thiamine 10 mg Effective
  • Riboflavin 10 mg Effective
  • Niacin 100 mg High
  • Vitamin B6 5 mg Effective
  • Folic Acid 400 mcg Effective
  • Vitamin B12 12 mcg Effective
  • Biotin 45 mcg Effective
  • Pantothenic Acid 20 mg Effective
  • Zinc 23.9 mg Effective
  • Copper 3 mg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C 500 mg 833%
Vitamin E 30 IU 100%
Thiamine 10 mg 667%
Riboflavin 10 mg 588%
Niacin 100 mg 500%
Vitamin B6 5 mg 250%
Folic Acid 400 mcg 100%
Vitamin B12 12 mcg 200%
Biotin 45 mcg 15%
Pantothenic Acid 20 mg 200%
Zinc 23.9 mg 159%
Copper 3 mg 150%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Niacinamide Ascorbate Unknown
Ascorbic Acid Safe

Prevents oxidation and provides vitamin C.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Cellulose Gel Generally_safe

It is used as a thickening agent to improve the texture of supplements.

Zinc Sulfate Generally_safe

It is used to supplement zinc intake.

DL-Alpha-Tocopheryl Acetate Generally_safe

It is used as a source of vitamin E and as an antioxidant.

Calcium D-Pantothenate Unknown
Modified Food Starch Generally_safe

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

Corn Starch Generally_safe

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

Thiamine Mononitrate Safe

It is used as a source of vitamin B1.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Riboflavin Safe

It is used as a source of vitamin B2.

Dibasic Calcium Phosphate Generally_safe

It is used as a filler and to improve tablet hardness.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Pyridoxine Hydrochloride Safe

It is used as a source of vitamin B6.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Copper Oxide Unknown
Polyethylene Glycol Caution

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

Folic Acid Safe

It is used as a source of folate.

Biotin Safe

It is used for its potential benefits related to hair, skin, and nail health.

Cyanocobalamin Safe

It is used as a source of vitamin B12.

Price Comparison

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

Brand Trust Report
Nature Made

Founded 1971 · West Hills, California, USA · 161 products · naturemade.com

Certifications

4 certifications
Consumerlab Verified Source
Labdoor Verified Source
Usp Verified Verified Source
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Lawsuit Presence of toxic plastic chemicals in prenatal multivitamins.2025Source
Recall Specific lots of Nature Made Adult Gummies Multi, Multi + Omega-3, Multi for Her plus Omega-3s, and Super B Complex w/C & Folic Acid2016-06-15Source
Related Supplements
Frequently Asked Questions
Is Nature Made Stress B-Complex Supplement With Vitamin C And Zinc a good supplement?

Nature Made Stress B-Complex Supplement With Vitamin C And Zinc received a product quality score of 91/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 12 active ingredients Of the 21 inactive ingredients, 11 are rated safe and 1 are flagged for review. The manufacturer, Nature Made, holds a brand trust score of 86/100 with 4 verified certifications including Consumerlab, Labdoor, Usp Verified, Fda Gmp Inspections.

What are the ingredients in Nature Made Stress B-Complex Supplement With Vitamin C And Zinc?

Nature Made Stress B-Complex Supplement With Vitamin C And Zinc contains 12 active ingredients: Vitamin C (500 mg), Vitamin E (30 IU), Thiamine (10 mg), Riboflavin (10 mg), Niacin (100 mg), Vitamin B6 (5 mg), and 6 more. Notable high-dose ingredients include Vitamin C at 833% DV, Thiamine at 667% DV, Riboflavin at 588% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature Made Stress B-Complex Supplement With Vitamin C And Zinc safe to take?

Nature Made Stress B-Complex Supplement With Vitamin C And Zinc has been analyzed for ingredient safety across all its components. Of 21 inactive ingredients, 11 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 Nature Made a trustworthy supplement brand?

Nature Made receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1971 and headquartered in West Hills, California, USA, the company offers 161 products in their lineup. They hold 4 verified certifications including Consumerlab, Labdoor, Usp Verified, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature Made has 2 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.

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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.