GNC Women's Prenatal Formula with Iron - 120 Caplets (60 Servings) supplement bottle
GNC Women's

Prenatal Formula with Iron - 120 Caplets (60 Servings)

What We Researched
23 active ingredients analyzed · 12 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
63
Product Score Fair
90
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (as Magnesium Oxide) 200 mg 50%
Iron (as Ferrous Fumarate) 18 mg 18%
Zinc (as Zinc Oxide) 15 mg 115%
Selenium (as Selenium Yeast) 70 mcg 100%
Copper (as Copper Gluconate) 1.3 mg 100%
Manganese (as Manganese Sulfate) 2.6 mg 100%
Molybdenum (from Sodium Molybdate) 50 mcg 100%
Vitamin A (as beta-carotene) 1350 mcg 104%
Vitamin C (as Ascorbic Acid) 120 mg 100%
Vitamin D (as Cholecalciferol D-3) 10 mcg 67%
Vitamin E (as d-alpha Tocopherol Succinate) 24.79 mg 130%
Thiamin (Vitamin B-1) (as Thiamin Mononitrate) 1.4 mg 100%
Riboflavin (Vitamin B-2) 1.6 mg 100%
Niacin (as Niacinamide) 18 mg 100%
Vitamin B-6 (as Pyridoxine Hydrochloride) 10 mg 500%
Folate 1667 mcg 278%
Vitamin B-12 (as Cyanocobalamin) 8 mcg 286%
Biotin 35 mcg 100%
Pantothenic Acid (Calcium D-Pantothenate) 7 mg 100%
Choline (as Choline Bitartrate) 0.55 mg
Calcium (as Calcium Carbonate) 600 mg 46%
Iodine (as Potassium Iodide) 290 mcg 100%
Boron (as Boron Citrate) 150 mcg
Bioavailability Good

Absorption Rating

  • Magnesium (as Magnesium Oxide) Poor
  • Iron (as Ferrous Fumarate) Fair
  • Zinc (as Zinc Oxide) Poor
  • Selenium (as Selenium Yeast) Good
  • Copper (as Copper Gluconate) Good
  • Manganese (as Manganese Sulfate) Good
  • Molybdenum (from Sodium Molybdate) Good
  • Vitamin A (as beta-carotene) Fair
  • Vitamin C (as Ascorbic Acid) Fair
  • Vitamin D (as Cholecalciferol D-3) Good
  • Vitamin E (as d-alpha Tocopherol Succinate) Good
  • Thiamin (Vitamin B-1) (as Thiamin Mononitrate) Fair
  • Riboflavin (Vitamin B-2) Good
  • Niacin (as Niacinamide) Good
  • Vitamin B-6 (as Pyridoxine Hydrochloride) Fair
  • Folate Fair
  • Vitamin B-12 (as Cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (Calcium D-Pantothenate) Good
  • Choline (as Choline Bitartrate) Poor
  • Calcium (as Calcium Carbonate) Fair
  • Iodine (as Potassium Iodide) Good
  • Boron (as Boron Citrate) Good
Other Ingredients Poor

Fillers & Additives

  • Microcrystalline Cellulose
  • Hydroxypropyl Methylcellulose
  • Croscarmellose Sodium
  • Hydroxypropylcellulose
  • Stearic Acid
  • Corn Starch
  • Titanium Dioxide (Mineral Whitener) High
  • Polyethylene Glycol Low
  • Magnesium Stearate Vegetable Source
  • Calcium Silicate
  • Silicon Dioxide
  • Talc High
Efficacy Very Good

Dosage Analysis

  • Magnesium (as Magnesium Oxide) 200 mg Effective
  • Iron (as Ferrous Fumarate) 18 mg Effective
  • Zinc (as Zinc Oxide) 15 mg Effective
  • Selenium (as Selenium Yeast) 70 mcg Effective
  • Copper (as Copper Gluconate) 1.3 mg Effective
  • Manganese (as Manganese Sulfate) 2.6 mg Effective
  • Molybdenum (from Sodium Molybdate) 50 mcg Effective
  • Vitamin A (as beta-carotene) 1350 mcg Effective
  • Vitamin C (as Ascorbic Acid) 120 mg Effective
  • Vitamin D (as Cholecalciferol D-3) 10 mcg Under-dosed
  • Vitamin E (as d-alpha Tocopherol Succinate) 24.79 mg Effective
  • Thiamin (Vitamin B-1) (as Thiamin Mononitrate) 1.4 mg Effective
  • Riboflavin (Vitamin B-2) 1.6 mg Effective
  • Niacin (as Niacinamide) 18 mg Effective
  • Vitamin B-6 (as Pyridoxine Hydrochloride) 10 mg Effective
  • Folate 1667 mcg High
  • Vitamin B-12 (as Cyanocobalamin) 8 mcg Effective
  • Biotin 35 mcg Effective
  • Pantothenic Acid (Calcium D-Pantothenate) 7 mg Effective
  • Choline (as Choline Bitartrate) 0.55 mg Under-dosed
  • Calcium (as Calcium Carbonate) 600 mg Effective
  • Iodine (as Potassium Iodide) 290 mcg High
  • Boron (as Boron Citrate) 150 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (as Magnesium Oxide) 200 mg 50%
Iron (as Ferrous Fumarate) 18 mg 18%
Zinc (as Zinc Oxide) 15 mg 115%
Selenium (as Selenium Yeast) 70 mcg 100%
Copper (as Copper Gluconate) 1.3 mg 100%
Manganese (as Manganese Sulfate) 2.6 mg 100%
Molybdenum (from Sodium Molybdate) 50 mcg 100%
Vitamin A (as beta-carotene) 1350 mcg 104%
Vitamin C (as Ascorbic Acid) 120 mg 100%
Vitamin D (as Cholecalciferol D-3) 10 mcg 67%
Vitamin E (as d-alpha Tocopherol Succinate) 24.79 mg 130%
Thiamin (Vitamin B-1) (as Thiamin Mononitrate) 1.4 mg 100%
Riboflavin (Vitamin B-2) 1.6 mg 100%
Niacin (as Niacinamide) 18 mg 100%
Vitamin B-6 (as Pyridoxine Hydrochloride) 10 mg 500%
Folate 1667 mcg 278%
Vitamin B-12 (as Cyanocobalamin) 8 mcg 286%
Biotin 35 mcg 100%
Pantothenic Acid (Calcium D-Pantothenate) 7 mg 100%
Choline (as Choline Bitartrate) 0.55 mg
Calcium (as Calcium Carbonate) 600 mg 46%
Iodine (as Potassium Iodide) 290 mcg 100%
Boron (as Boron Citrate) 150 mcg

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.

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.

Hydroxypropylcellulose Generally_safe

It is added to bind ingredients together and provide a smooth coating.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Corn Starch Generally_safe

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

Titanium Dioxide (Mineral Whitener) Unknown
Polyethylene Glycol Caution

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

Magnesium Stearate Vegetable Source Unknown
Calcium Silicate Safe

Prevents ingredient clumping during manufacturing.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Price Comparison

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

Brand Trust Report
GNC Women's

Founded 1935 · Pittsburgh, Pennsylvania, USA · 54 products · gnc.com

Certifications

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

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

8 incidents
Recall GNC Women's 30+ Vitapak2025-06-13Source
Prop 65 Lead, Cadmium2019-02-07Source
Lawsuit Deceptively advertising fake markdowns online to mislead consumers into thinking items were on 'sale.'2019Source
Lawsuit Deceptively labeling dietary supplements regarding FDA approval and failing to include required disclaimers.2019Source
Recall Women's Iron Complete Dietary Supplement 60-count caplets2018-12-19Source
Prop 65 Lead2018-10-12Source
Recall GNC Women's Ultra Mega Time Release 180-count2016-11-16Source
Lawsuit Knowingly selling products containing unlawful synthetic chemicals (picamilon, BMPEA, and acacia rigidula).2016Source
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Frequently Asked Questions
Is GNC Women's Prenatal Formula with Iron - 120 Caplets (60 Servings) a good supplement?

GNC Women's Prenatal Formula with Iron - 120 Caplets (60 Servings) received a product quality score of 63/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 23 active ingredients with 60 servings per container. Of the 12 inactive ingredients, 6 are rated safe and 1 are flagged for review. The manufacturer, GNC Women's, holds a brand trust score of 90/100 with 5 verified certifications including Consumerlab, Informed Sport, Nsf Certified For Sport, Fda Gmp Inspections.

What are the ingredients in GNC Women's Prenatal Formula with Iron - 120 Caplets (60 Servings)?

GNC Women's Prenatal Formula with Iron - 120 Caplets (60 Servings) contains 23 active ingredients: Magnesium (as Magnesium Oxide) (200 mg), Iron (as Ferrous Fumarate) (18 mg), Zinc (as Zinc Oxide) (15 mg), Selenium (as Selenium Yeast) (70 mcg), Copper (as Copper Gluconate) (1.3 mg), Manganese (as Manganese Sulfate) (2.6 mg), and 17 more. Notable high-dose ingredients include Vitamin B-6 at 500% DV, Folate at 278% DV, Vitamin B-12 at 286% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GNC Women's Prenatal Formula with Iron - 120 Caplets (60 Servings) safe to take?

GNC Women's Prenatal Formula with Iron - 120 Caplets (60 Servings) has been analyzed for ingredient safety across all its components. Of 12 inactive ingredients, 6 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 GNC Women's a trustworthy supplement brand?

GNC Women's receives a brand trust score of 90/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 54 products in their lineup. They hold 5 verified certifications including Consumerlab, Informed Sport, Nsf Certified For Sport, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: GNC Women's has 8 historical regulatory incidents on record, which are factored into the trust score.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

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 is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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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.