Douglas Laboratories Stress-B-Plus™, 90 Tablets supplement bottle
Douglas Laboratories

Stress-B-Plus™, 90 Tablets

What We Researched
11 active ingredients analyzed · 2 inactive ingredients decoded · 5 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
86
Product Score Good
95
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Thiamine (Vitamin B1) 55 mg 3,667%
Riboflavin (Vitamin B2) 55 mg 3,235%
Niacinamide 200 mg 1,000%
Vitamin B6 (as Pyridoxine HCl) 55 mg 2,750%
Folic Acid 400 mcg 100%
Vitamin B12 100 mcg 1,667%
Biotin 200 mcg 67%
Pantothenic Acid (as Calcium Pantothenate) 55 mg 550%
PABA (para-Aminobenzoic Acid) 55 mg *
Inositol 55 mg *
Choline (from 55 mg of Choline Bitartrate) 26 mg 8
Bioavailability Very Good

Absorption Rating

  • Thiamine (Vitamin B1) Good
  • Riboflavin (Vitamin B2) Good
  • Niacinamide Good
  • Vitamin B6 (as Pyridoxine HCl) Fair
  • Folic Acid Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic Acid (as Calcium Pantothenate) Good
  • PABA (para-Aminobenzoic Acid) Good
  • Inositol Good
  • Choline (from 55 mg of Choline Bitartrate) Poor
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Vegetable Stearate and Silica
Efficacy Good

Dosage Analysis

  • Thiamine (Vitamin B1) 55 mg Effective
  • Riboflavin (Vitamin B2) 55 mg Effective
  • Niacinamide 200 mg High
  • Vitamin B6 (as Pyridoxine HCl) 55 mg Effective
  • Folic Acid 400 mcg Effective
  • Vitamin B12 100 mcg Effective
  • Biotin 200 mcg Effective
  • Pantothenic Acid (as Calcium Pantothenate) 55 mg Effective
  • PABA (para-Aminobenzoic Acid) 55 mg Under-dosed
  • Inositol 55 mg Under-dosed
  • Choline (from 55 mg of Choline Bitartrate) 26 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Thiamine (Vitamin B1) 55 mg 3,667%
Riboflavin (Vitamin B2) 55 mg 3,235%
Niacinamide 200 mg 1,000%
Vitamin B6 (as Pyridoxine HCl) 55 mg 2,750%
Folic Acid 400 mcg 100%
Vitamin B12 100 mcg 1,667%
Biotin 200 mcg 67%
Pantothenic Acid (as Calcium Pantothenate) 55 mg 550%
PABA (para-Aminobenzoic Acid) 55 mg *
Inositol 55 mg *
Choline (from 55 mg of Choline Bitartrate) 26 mg 8

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Vegetable Stearate and Silica Generally_safe

They are added to improve manufacturing by preventing ingredients from sticking to machinery and improving powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$28$27$26$25$24 Mar 12 $25.80
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
Douglas Laboratories

Founded 1955 · Pittsburgh, Pennsylvania, United States · 32 products · douglaslabs.com

Certifications

5 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Certified For Sport Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source

Transparency

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

Violation History

2 incidents
Recall Douglas Labs Stress-B-Plus2024-10-07Source
Prop 65 Lead2008-10-22Source
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Frequently Asked Questions
Is Douglas Laboratories Stress-B-Plus™, 90 Tablets a good supplement?

Douglas Laboratories Stress-B-Plus™, 90 Tablets received a product quality score of 86/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 11 active ingredients with 90 servings per container. Of the 2 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Douglas Laboratories, holds a brand trust score of 95/100 with 5 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Certified For Sport, Nsf Gmp.

What are the ingredients in Douglas Laboratories Stress-B-Plus™, 90 Tablets?

Douglas Laboratories Stress-B-Plus™, 90 Tablets contains 11 active ingredients: Thiamine (Vitamin B1) (55 mg), Riboflavin (Vitamin B2) (55 mg), Niacinamide (200 mg), Vitamin B6 (as Pyridoxine HCl) (55 mg), Folic Acid (400 mcg), Vitamin B12 (100 mcg), and 5 more. Notable high-dose ingredients include Thiamine at 3,667% DV, Riboflavin at 3,235% DV, Niacinamide at 1,000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Douglas Laboratories Stress-B-Plus™, 90 Tablets safe to take?

Douglas Laboratories Stress-B-Plus™, 90 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 Douglas Laboratories a trustworthy supplement brand?

Douglas Laboratories receives a brand trust score of 95/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1955 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 32 products in their lineup. They hold 5 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Certified For Sport, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Douglas Laboratories has 2 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.