Mason Natural Ultra B-100 Complex supplement bottle
Mason Natural

Ultra B-100 Complex

What We Researched
13 active ingredients analyzed · 8 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
83
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B1 (as Thiamine Hydrochloride) 100 mg 8330%
Vitamin B2 (as Riboflavin) 100 mg 7690%
Niacin (as Niacinamide) 100 mg NE 630%
Vitamin B6 (as Pyridoxine Hydrochloride) 100 mg 5880%
Folate 667 mcg DFE 170%
Vitamin B12 (as Cyanocobalamin) 100 mcg 4170%
Biotin 100 mcg 330%
Pantothenic Acid (as Calcium Pantothenate) 100 mg 2000%
Choline (as Choline Bitartrate) 100 mcg 1%
Calcium (as Dicalcium Phosphate) 77 mg 6%
Inositol 100 mcg
Para-Aminobenzoic Acid 100 mcg
Natural Food Base 100 mg
Bioavailability Good

Absorption Rating

  • Vitamin B1 (as Thiamine Hydrochloride) Fair
  • Vitamin B2 (as Riboflavin) Good
  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folate Fair
  • Vitamin B12 (as Cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as Calcium Pantothenate) Good
  • Choline (as Choline Bitartrate) Poor
  • Calcium (as Dicalcium Phosphate) Fair
  • Inositol Good
  • Para-Aminobenzoic Acid Good
  • Natural Food Base Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Croscarmellose Sodium
  • Stearic Acid
  • Vegetable Magnesium Stearate
  • Pharmaceutical Glaze
  • Silicon Dioxide
  • Calcium Carbonate
  • Maltodextrin
Efficacy Good

Dosage Analysis

  • Vitamin B1 (as Thiamine Hydrochloride) 100 mg Effective
  • Vitamin B2 (as Riboflavin) 100 mg Effective
  • Niacin (as Niacinamide) 100 mg NE High
  • Vitamin B6 (as Pyridoxine Hydrochloride) 100 mg Effective
  • Folate 667 mcg DFE Effective
  • Vitamin B12 (as Cyanocobalamin) 100 mcg Effective
  • Biotin 100 mcg Effective
  • Pantothenic Acid (as Calcium Pantothenate) 100 mg Effective
  • Choline (as Choline Bitartrate) 100 mcg Under-dosed
  • Calcium (as Dicalcium Phosphate) 77 mg Under-dosed
  • Inositol 100 mcg Under-dosed
  • Para-Aminobenzoic Acid 100 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B1 (as Thiamine Hydrochloride) 100 mg 8330%
Vitamin B2 (as Riboflavin) 100 mg 7690%
Niacin (as Niacinamide) 100 mg NE 630%
Vitamin B6 (as Pyridoxine Hydrochloride) 100 mg 5880%
Folate 667 mcg DFE 170%
Vitamin B12 (as Cyanocobalamin) 100 mcg 4170%
Biotin 100 mcg 330%
Pantothenic Acid (as Calcium Pantothenate) 100 mg 2000%
Choline (as Choline Bitartrate) 100 mcg 1%
Calcium (as Dicalcium Phosphate) 77 mg 6%
Inositol 100 mcg
Para-Aminobenzoic Acid 100 mcg
Natural Food Base 100 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

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

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Pharmaceutical Glaze Generally_safe

It is used to coat tablets or capsules for easier swallowing or controlled release.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$12$11$10$9$8 $9.89
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
Mason Natural

Founded 1967 · Miami Lakes, Florida, USA · 161 products · masonvitamins.com

Certifications

2 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

4 incidents
Recall Herbal Colon Cleanser Capsules2025-09-02Source
Recall Healthy Sense Daily Multiple with Iron and People's Choice Women's Daily Vitamins with Iron2022-11-17Source
Prop 65 Lead2017-03-10Source
Prop 65 Lead2016-03-28Source
Related Supplements
Frequently Asked Questions
Is Mason Natural Ultra B-100 Complex a good supplement?

Mason Natural Ultra B-100 Complex received a product quality score of 83/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 13 active ingredients with 60 servings per container. Of the 8 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, Mason Natural, holds a brand trust score of 66/100 with 2 verified certifications including Consumerlab, Fda Gmp Inspections.

What are the ingredients in Mason Natural Ultra B-100 Complex?

Mason Natural Ultra B-100 Complex contains 13 active ingredients: Vitamin B1 (as Thiamine Hydrochloride) (100 mg), Vitamin B2 (as Riboflavin) (100 mg), Niacin (as Niacinamide) (100 mg NE), Vitamin B6 (as Pyridoxine Hydrochloride) (100 mg), Folate (667 mcg DFE), Vitamin B12 (as Cyanocobalamin) (100 mcg), and 7 more. Notable high-dose ingredients include Vitamin B1 at 8330% DV, Vitamin B2 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 Mason Natural Ultra B-100 Complex safe to take?

Mason Natural Ultra B-100 Complex 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 Mason Natural a trustworthy supplement brand?

Mason Natural receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1967 and headquartered in Miami Lakes, Florida, USA, the company offers 161 products in their lineup. They hold 2 verified certifications including Consumerlab, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Mason Natural has 4 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.