NutraBio B-100 Full Spectrum B-Complex supplement bottle
NutraBio

B-100 Full Spectrum B-Complex

What We Researched
11 active ingredients analyzed · 1 inactive ingredient decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
87
Product Score Good
83
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Thiamine (as Vitamin B1) 100 mg 8330%
Riboflavin (as Vitamin B2) 100 mg 7690%
Niacin (as Vitamin B3) 100 mg NE 630%
Vitamin B6 (as Pyridoxine Hydrochloride) 100 mg 5000%
Folate 680 mcg DFE 170%
Vitamin B12 (as Methylcobalamin) 100 mcg 1670%
Biotin (as D-Biotin) 100 mcg 330%
Vitamin B5 (as Pantothenic Acid) 100 mg 2000%
Choline 41 mg 8%
Para-Aminobenzoic Acid 100 mg
Inositol 100 mg
Bioavailability Very Good

Absorption Rating

  • Thiamine (as Vitamin B1) Good
  • Riboflavin (as Vitamin B2) Good
  • Niacin (as Vitamin B3) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folate Fair
  • Vitamin B12 (as Methylcobalamin) Good
  • Biotin (as D-Biotin) Good
  • Vitamin B5 (as Pantothenic Acid) Good
  • Choline Poor
  • Para-Aminobenzoic Acid Good
  • Inositol Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Capsule
Efficacy Good

Dosage Analysis

  • Thiamine (as Vitamin B1) 100 mg Effective
  • Riboflavin (as Vitamin B2) 100 mg Effective
  • Niacin (as Vitamin B3) 100 mg NE High
  • Vitamin B6 (as Pyridoxine Hydrochloride) 100 mg Effective
  • Folate 680 mcg DFE Effective
  • Vitamin B12 (as Methylcobalamin) 100 mcg Effective
  • Biotin (as D-Biotin) 100 mcg Effective
  • Vitamin B5 (as Pantothenic Acid) 100 mg Effective
  • Choline 41 mg Under-dosed
  • Para-Aminobenzoic Acid 100 mg Under-dosed
  • Inositol 100 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Thiamine (as Vitamin B1) 100 mg 8330%
Riboflavin (as Vitamin B2) 100 mg 7690%
Niacin (as Vitamin B3) 100 mg NE 630%
Vitamin B6 (as Pyridoxine Hydrochloride) 100 mg 5000%
Folate 680 mcg DFE 170%
Vitamin B12 (as Methylcobalamin) 100 mcg 1670%
Biotin (as D-Biotin) 100 mcg 330%
Vitamin B5 (as Pantothenic Acid) 100 mg 2000%
Choline 41 mg 8%
Para-Aminobenzoic Acid 100 mg
Inositol 100 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Capsule Safe

It is used as a vegetarian alternative to gelatin capsules.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$21$20$19$18$17 $18.99
Target

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

Brand Trust Report
NutraBio

Founded 1996 · Middlesex, New Jersey, United States · 121 products · nutrabio.com

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source

Violation History

2 incidents
Prop 65 Lead, Cadmium2018-04-06Source
Lawsuit Misleading advertising regarding the efficacy of glutamine supplements for muscle growth.2018Source
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Frequently Asked Questions
Is NutraBio B-100 Full Spectrum B-Complex a good supplement?

NutraBio B-100 Full Spectrum B-Complex received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 11 active ingredients with 45 servings per container. All 1 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, NutraBio, holds a brand trust score of 83/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in NutraBio B-100 Full Spectrum B-Complex?

NutraBio B-100 Full Spectrum B-Complex contains 11 active ingredients: Thiamine (as Vitamin B1) (100 mg), Riboflavin (as Vitamin B2) (100 mg), Niacin (as Vitamin B3) (100 mg NE), Vitamin B6 (as Pyridoxine Hydrochloride) (100 mg), Folate (680 mcg DFE), Vitamin B12 (as Methylcobalamin) (100 mcg), and 5 more. Notable high-dose ingredients include Thiamine at 8330% DV, Riboflavin at 7690% DV, Niacin at 630% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NutraBio B-100 Full Spectrum B-Complex safe to take?

NutraBio B-100 Full Spectrum B-Complex has been analyzed for ingredient safety across all its components. All 1 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NutraBio a trustworthy supplement brand?

NutraBio receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1996 and headquartered in Middlesex, New Jersey, United States, the company offers 121 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NutraBio has 2 historical regulatory incidents on record, which are factored into the trust score.

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 250,000 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. 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.