Solaray B-Stress Plus Iron and Zinc supplement bottle
Solaray

B-Stress Plus Iron and Zinc

What We Researched
15 active ingredients analyzed · 7 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
84
Product Score Good
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Acerola, Ascorbic Acid, Rose Hip) 500 mg 833%
Thiamine (as Thiamine Mononitrate, Vitamin B1) 50 mg 3333%
Riboflavin (as Vitamin B2) 50 mg 2941%
Niacin (as Niacinamide) 100 mg 500%
Vitamin B6 (as Pyridoxine Hydrochloride) 50 mg 2500%
Folic Acid 400 mcg 100%
Vitamin B12 100 mcg 1667%
Biotin 100 mcg 33%
Pantothenic Acid (as D-Calcium Pantothenate) 200 mg 2000%
Iron (as Iron Amino Acid Chelate) 18 mg 100%
Zinc (as Zinc Amino Acid Chelate) 15 mg 100%
Choline (as Choline Bitartrate) 75 mg
Inositol 75 mg
Bioflavonoid concentrate 50 mg
PABA 30 mg
Bioavailability Good

Absorption Rating

  • Vitamin C (as Acerola, Ascorbic Acid, Rose Hip) Fair
  • Thiamine (as Thiamine Mononitrate, Vitamin B1) Fair
  • Riboflavin (as Vitamin B2) Good
  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folic Acid Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic Acid (as D-Calcium Pantothenate) Good
  • Iron (as Iron Amino Acid Chelate) Fair
  • Zinc (as Zinc Amino Acid Chelate) Fair
  • Choline (as Choline Bitartrate) Poor
  • Inositol Good
  • Bioflavonoid concentrate Fair
  • PABA Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin Capsule
  • Cellulose
  • Silica
  • Magnesium Stearate
  • Whole Food Base
  • Chamomile
  • Peppermint
Efficacy Good

Dosage Analysis

  • Vitamin C (as Acerola, Ascorbic Acid, Rose Hip) 500 mg Effective
  • Thiamine (as Thiamine Mononitrate, Vitamin B1) 50 mg Effective
  • Riboflavin (as Vitamin B2) 50 mg Effective
  • Niacin (as Niacinamide) 100 mg High
  • Vitamin B6 (as Pyridoxine Hydrochloride) 50 mg Effective
  • Folic Acid 400 mcg Effective
  • Vitamin B12 100 mcg Effective
  • Biotin 100 mcg Effective
  • Pantothenic Acid (as D-Calcium Pantothenate) 200 mg Effective
  • Iron (as Iron Amino Acid Chelate) 18 mg Effective
  • Zinc (as Zinc Amino Acid Chelate) 15 mg Effective
  • Choline (as Choline Bitartrate) 75 mg Under-dosed
  • Inositol 75 mg Under-dosed
  • Bioflavonoid concentrate 50 mg Under-dosed
  • PABA 30 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Acerola, Ascorbic Acid, Rose Hip) 500 mg 833%
Thiamine (as Thiamine Mononitrate, Vitamin B1) 50 mg 3333%
Riboflavin (as Vitamin B2) 50 mg 2941%
Niacin (as Niacinamide) 100 mg 500%
Vitamin B6 (as Pyridoxine Hydrochloride) 50 mg 2500%
Folic Acid 400 mcg 100%
Vitamin B12 100 mcg 1667%
Biotin 100 mcg 33%
Pantothenic Acid (as D-Calcium Pantothenate) 200 mg 2000%
Iron (as Iron Amino Acid Chelate) 18 mg 100%
Zinc (as Zinc Amino Acid Chelate) 15 mg 100%
Choline (as Choline Bitartrate) 75 mg
Inositol 75 mg
Bioflavonoid concentrate 50 mg
PABA 30 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Capsule Safe

It is used as a material for making capsules.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Whole Food Base Unknown
Chamomile Generally_safe

It is used to add a pleasant flavor and potentially calming effect to supplements.

Peppermint Generally_safe

It is used for its flavor and potential digestive benefits.

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
Solaray

Founded 1973 · Salt Lake City & Park City, UT, USA (Manufacturing in Ogden, UT) · 697 products · solaray.com/

Certifications

4 certifications
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

4 incidents
Recall Solaray Liposomal Women's Multivitamin, Solaray Universal Multivitamin, and Solaray Liposomal Women's 50+ Multivitamin2023-09-28Source
Lawsuit Failure to pay for all hours worked and provide proper meal and rest breaks for route sales representatives.2022Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplements.2020-08-21Source
Prop 65 Lead2017-09-07Source
Related Supplements
Frequently Asked Questions
Is Solaray B-Stress Plus Iron and Zinc a good supplement?

Solaray B-Stress Plus Iron and Zinc received a product quality score of 84/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 15 active ingredients with 60 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Solaray, holds a brand trust score of 81/100 with 4 verified certifications including Fda Gmp Inspections, Non Gmo Project, Nsf Gmp, Usda Organic.

What are the ingredients in Solaray B-Stress Plus Iron and Zinc?

Solaray B-Stress Plus Iron and Zinc contains 15 active ingredients: Vitamin C (as Acerola, Ascorbic Acid, Rose Hip) (500 mg), Thiamine (as Thiamine Mononitrate, Vitamin B1) (50 mg), Riboflavin (as Vitamin B2) (50 mg), Niacin (as Niacinamide) (100 mg), Vitamin B6 (as Pyridoxine Hydrochloride) (50 mg), Folic Acid (400 mcg), and 9 more. Notable high-dose ingredients include Vitamin C at 833% DV, Thiamine at 3333% DV, Riboflavin at 2941% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Solaray B-Stress Plus Iron and Zinc safe to take?

Solaray B-Stress Plus Iron and Zinc 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 Solaray a trustworthy supplement brand?

Solaray receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Salt Lake City & Park City, UT, USA (Manufacturing in Ogden, UT), the company offers 697 products in their lineup. They hold 4 verified certifications including Fda Gmp Inspections, Non Gmo Project, Nsf Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Solaray 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.