Mason Natural Masonatal Prenatal Formulation, 100 Tablets supplement bottle
Mason Natural

Masonatal Prenatal Formulation, 100 Tablets

What We Researched
13 active ingredients analyzed · 15 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
64
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as 100% beta carotene) (4,000 IU) 1,200 mcg RAE‡ 92%
Vitamin C (as ascorbic Acid) 120 mg 100%
Vitamin D3 (as cholecalciferol) (400 IU) 10 mcg 67%
Vitamin E (as dl-Alpha tocopheryl acetate) (30 IU) 13.5 mg 71%
Thiamin (as thiamine mononitrate) (Vitamin B1) 1.8 mg 129%
Riboflavin (Vitamin B2) 1.7 mg 106%
Niacin (as niacinamide) 20 mg NE# 111%
Vitamin B6 (as pyridoxine hydrochloride) 2.6 mg 130%
Folate (800 mcg folic acid) 1,333 mcg DFE† 222%
Vitamin B12 (as cyanocobalamin) 8 mcg 286%
Calcium (as calcium carbonate) 244 mg 19%
Iron (as ferrous fumarate) 28 mg 104%
Zinc (as zinc oxide) 25 mg 192%
Bioavailability Fair

Absorption Rating

  • Vitamin A (as 100% beta carotene) (4,000 IU) Fair
  • Vitamin C (as ascorbic Acid) Fair
  • Vitamin D3 (as cholecalciferol) (400 IU) Good
  • Vitamin E (as dl-Alpha tocopheryl acetate) (30 IU) Poor
  • Thiamin (as thiamine mononitrate) (Vitamin B1) Fair
  • Riboflavin (Vitamin B2) Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as pyridoxine hydrochloride) Fair
  • Folate (800 mcg folic acid) Fair
  • Vitamin B12 (as cyanocobalamin) Fair
  • Calcium (as calcium carbonate) Fair
  • Iron (as ferrous fumarate) Fair
  • Zinc (as zinc oxide) Poor
Other Ingredients Fair

Fillers & Additives

  • Microcrystalline Cellulose
  • Stearic Acid
  • Hydroxypropyl Methylcellulose
  • Croscarmellose Sodium
  • Silicon Dioxide
  • Vegetable Magnesium Stearate
  • Glyceryl Triacetate
  • Titanium Dioxide High
  • FD&C Red #40 Medium
  • FD&C Yellow #6 Low
  • <1% tocopherols
  • Maltodextrin
  • Alginate
  • Gum Acacia
  • Pea starch and sucrose as processing aids
Efficacy Very Good

Dosage Analysis

  • Vitamin A (as 100% beta carotene) (4,000 IU) 1,200 mcg RAE‡ Effective
  • Vitamin C (as ascorbic Acid) 120 mg Effective
  • Vitamin D3 (as cholecalciferol) (400 IU) 10 mcg Under-dosed
  • Vitamin E (as dl-Alpha tocopheryl acetate) (30 IU) 13.5 mg Under-dosed
  • Thiamin (as thiamine mononitrate) (Vitamin B1) 1.8 mg Effective
  • Riboflavin (Vitamin B2) 1.7 mg Effective
  • Niacin (as niacinamide) 20 mg NE# Effective
  • Vitamin B6 (as pyridoxine hydrochloride) 2.6 mg Effective
  • Folate (800 mcg folic acid) 1,333 mcg DFE† High
  • Vitamin B12 (as cyanocobalamin) 8 mcg Effective
  • Calcium (as calcium carbonate) 244 mg Under-dosed
  • Iron (as ferrous fumarate) 28 mg Effective
  • Zinc (as zinc oxide) 25 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as 100% beta carotene) (4,000 IU) 1,200 mcg RAE‡ 92%
Vitamin C (as ascorbic Acid) 120 mg 100%
Vitamin D3 (as cholecalciferol) (400 IU) 10 mcg 67%
Vitamin E (as dl-Alpha tocopheryl acetate) (30 IU) 13.5 mg 71%
Thiamin (as thiamine mononitrate) (Vitamin B1) 1.8 mg 129%
Riboflavin (Vitamin B2) 1.7 mg 106%
Niacin (as niacinamide) 20 mg NE# 111%
Vitamin B6 (as pyridoxine hydrochloride) 2.6 mg 130%
Folate (800 mcg folic acid) 1,333 mcg DFE† 222%
Vitamin B12 (as cyanocobalamin) 8 mcg 286%
Calcium (as calcium carbonate) 244 mg 19%
Iron (as ferrous fumarate) 28 mg 104%
Zinc (as zinc oxide) 25 mg 192%

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.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Vegetable Magnesium Stearate Safe

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

Glyceryl Triacetate Generally_safe

It is used as a solvent or to improve the texture of supplements.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

FD&C Red #40 Caution

It is used to improve the appearance of the supplement.

FD&C Yellow #6 Caution

It is used to add color to the supplement.

<1% tocopherols Unknown
Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Alginate Unknown
Gum Acacia Safe

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

Pea starch and sucrose as processing aids Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$12$11$10$9$8 Mar 12 $10.00
iHerb

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
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Frequently Asked Questions
Is Mason Natural Masonatal Prenatal Formulation, 100 Tablets a good supplement?

Mason Natural Masonatal Prenatal Formulation, 100 Tablets received a product quality score of 64/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 13 active ingredients Of the 15 inactive ingredients, 7 are rated safe and 3 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 Masonatal Prenatal Formulation, 100 Tablets?

Mason Natural Masonatal Prenatal Formulation, 100 Tablets contains 13 active ingredients: Vitamin A (as 100% beta carotene) (4,000 IU) (1,200 mcg RAE‡), Vitamin C (as ascorbic Acid) (120 mg), Vitamin D3 (as cholecalciferol) (400 IU) (10 mcg), Vitamin E (as dl-Alpha tocopheryl acetate) (30 IU) (13.5 mg), Thiamin (as thiamine mononitrate) (Vitamin B1) (1.8 mg), Riboflavin (Vitamin B2) (1.7 mg), and 7 more. Notable high-dose ingredients include Folate at 222% DV, Vitamin B12 at 286% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Mason Natural Masonatal Prenatal Formulation, 100 Tablets safe to take?

Mason Natural Masonatal Prenatal Formulation, 100 Tablets has been analyzed for ingredient safety across all its components. Of 15 inactive ingredients, 7 are rated safe. 3 ingredients are flagged for review: Titanium Dioxide, FD&C Red #40, FD&C Yellow #6. '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 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.