Walgreens B-Complex Vitamin C supplement bottle
Walgreens

B-Complex Vitamin C Review

What We Researched
10 active ingredients analyzed · 19 inactive ingredients decoded · 1 brand certification checked · Last updated: Aug 2026
91
Product Score Excellent
65
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C 150 mg 167%
Thiamin (Vit B1) 100 mg 8333%
Riboflavin (Vit B2) 20 mg 1538%
Niacin 25 mg 156%
Vitamin B6 2 mg 118%
Folic Acid 667 mcg DFE (400 mcg folic acid) 170%
Vitamin B12 15 mcg 625%
Biotin 30 mcg 100%
Pantothenic Acid 5.5 mg 110%
Calcium 70 mg 5%
Bioavailability Very Good

Absorption Rating

  • Vitamin C Fair
  • Thiamin (Vit B1) Good
  • Riboflavin (Vit B2) Good
  • Niacin Good
  • Vitamin B6 Fair
  • Folic Acid Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic Acid Good
  • Calcium Good
Other Ingredients Excellent

Fillers & Additives

  • Calcium Carbonate
  • Ascorbic Acid
  • Thiamine Mononitrate
  • Microcrystalline Cellulose
  • Niacinamide
  • Riboflavin
  • Starch
  • Croscarmellose Sodium
  • Stearic Acid
  • Pyridoxine Hydrochloride
  • D-Calcium Pantothenate
  • Folic Acid
  • Hydroxypropyl Methylcellulose
  • Magnesium Stearate
  • Silicon Dioxide
  • Biotin
  • Cyanocobalamin
  • Polyethylene Glycol Low
  • Carnauba Wax
Efficacy Excellent

Dosage Analysis

  • Vitamin C 150 mg Effective
  • Thiamin (Vit B1) 100 mg Effective
  • Riboflavin (Vit B2) 20 mg Effective
  • Niacin 25 mg Effective
  • Vitamin B6 2 mg Effective
  • Folic Acid 667 mcg DFE (400 mcg folic acid) Effective
  • Vitamin B12 15 mcg Effective
  • Biotin 30 mcg Effective
  • Pantothenic Acid 5.5 mg Effective
  • Calcium 70 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C 150 mg 167%
Thiamin (Vit B1) 100 mg 8333%
Riboflavin (Vit B2) 20 mg 1538%
Niacin 25 mg 156%
Vitamin B6 2 mg 118%
Folic Acid 667 mcg DFE (400 mcg folic acid) 170%
Vitamin B12 15 mcg 625%
Biotin 30 mcg 100%
Pantothenic Acid 5.5 mg 110%
Calcium 70 mg 5%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Ascorbic Acid Safe

Prevents oxidation and provides vitamin C.

Thiamine Mononitrate Safe

It is used as a source of vitamin B1.

Microcrystalline Cellulose Safe

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

Niacinamide Safe

It is included for its potential health benefits.

Riboflavin Safe

It is used as a source of vitamin B2.

Starch Generally_safe

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

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Pyridoxine Hydrochloride Safe

It is used as a source of vitamin B6.

D-Calcium Pantothenate Safe

It is added to supplements as a source of vitamin B5.

Folic Acid Safe

It is used as a source of folate.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

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.

Polyethylene Glycol Caution

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

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Brand Trust Report
Walgreens

· 38 products · walgreens.com/

Certifications

1 certification
Non-GMO Project Verified Verified

Transparency

2 claims
Third Party Testing Claim — True
Testing Lab Disclosure — True
Related Supplements
Frequently Asked Questions
Is Walgreens B-Complex Vitamin C a good supplement?

Walgreens B-Complex Vitamin C 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 10 active ingredients with 100 servings per container. Of the 19 inactive ingredients, 17 are rated safe and 1 are flagged for review. The manufacturer, Walgreens, holds a brand trust score of 65/100 with 1 verified certifications including Non-GMO Project Verified.

What are the ingredients in Walgreens B-Complex Vitamin C?

Walgreens B-Complex Vitamin C contains 10 active ingredients: Vitamin C (150 mg), Thiamin (Vit B1) (100 mg), Riboflavin (Vit B2) (20 mg), Niacin (25 mg), Vitamin B6 (2 mg), Folic Acid (667 mcg DFE (400 mcg folic acid)), and 4 more. Notable high-dose ingredients include Thiamin at 8333% DV, Riboflavin at 1538% DV, Vitamin B12 at 625% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Walgreens B-Complex Vitamin C safe to take?

Walgreens B-Complex Vitamin C has been analyzed for ingredient safety across all its components. Of 19 inactive ingredients, 17 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 Walgreens a trustworthy supplement brand?

Walgreens receives a brand trust score of 65/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. the company offers 38 products in their lineup. They hold 1 verified certifications including Non-GMO Project Verified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

How much vitamin d3 should i take daily?

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 does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 150,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

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.

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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 — read our methodology. 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.