Ferrous Sulfate

Generally Safe MineralSynthetic

Ferrous Sulfate is a synthetic mineral used in dietary supplements. Safety rating: Generally Safe. It is generally considered safe for most people at standard doses. Found in 20 supplements in the GoodSupp database. Ferrous sulfate is a form of iron.

20 Products use this
Generally Safe Safety rating
Mineral Category
No Natural origin

Safety Verdict: Generally Safe

This ingredient is rated generally safe for use in dietary supplements.

What is Ferrous Sulfate?

Ferrous sulfate is a form of iron.

Common Names Ferrous Sulfate
Type Mineral
Origin Synthetic / Manufactured
Safety Rating Generally Safe

Why is Ferrous Sulfate used in supplements?

It is used as a source of iron.

Role in supplements: Mineral compound — provides a specific mineral in a bioavailable form the body can absorb.

Should you be concerned about Ferrous Sulfate?

Generally no. Ferrous Sulfate is considered safe for most people at typical supplement doses. Some individuals may want to be aware of minor sensitivities.

Low risk. Generally safe for most people in supplement amounts.

Top-rated products containing Ferrous Sulfate

These 20 highest-scoring supplements in our database use Ferrous Sulfate.

Enfamil Fer-In-Sol®, Iron Drops, Active Minds, 0-24 Months, 1 2/3 fl oz (50 ml)
Enfamil Fer-In-Sol®, Iron Drops, Active Minds, 0-24 Months, 1 2/3 fl oz (50 ml)
Product 87 Brand N/A
Bayer Flintstones Complete
Product 84 Brand N/A
Bayer Flintstones Complete
Product 83 Brand N/A
Akron Pharma Pediatric FE-VITE Drops Delicious Natural Fruit Flavor
Akron Pharma Pediatric FE-VITE Drops Delicious Natural Fruit Flavor
Product 83 Brand N/A
NaturesPlus Source of Life, Ultra Mini-Tablets, Whole Life Energy Enhancer, 180 Tablets
NaturesPlus Source of Life, Ultra Mini-Tablets, Whole Life Energy Enhancer, 180 Tablets
Product 79 Brand N/A
NaturesPlus Ultra Source of Life Whole Life Energy Enhancer with Lutein, 90 Tablets
NaturesPlus Ultra Source of Life Whole Life Energy Enhancer with Lutein, 90 Tablets
Product 76 Brand N/A
The Flintstones Complete Chewable Kids Vitamins - Fruit Flavors
The Flintstones Complete Chewable Kids Vitamins - Fruit Flavors
Product 75 Brand N/A
Naturade Total Soy®, Meal Replacement, Bavarian Chocolate, 1 lb 1.88 oz (507 g)
Naturade Total Soy®, Meal Replacement, Bavarian Chocolate, 1 lb 1.88 oz (507 g)
Product 74 Brand N/A
Naturade Total Soy®, Meal Replacement, Strawberry Cream, 1 lb 1.88 oz (507 g)
Naturade Total Soy®, Meal Replacement, Strawberry Cream, 1 lb 1.88 oz (507 g)
Product 74 Brand N/A
SILARX Silarx Ferrous Sulfate Iron Supplement Drops 50 mL Liquid Iron for Infants
SILARX Silarx Ferrous Sulfate Iron Supplement Drops 50 mL Liquid Iron for Infants
Product 73 Brand N/A
Flintstones Children's Multivitamin, + Immunity Support, 90 Chewable Tablets
Flintstones Children's Multivitamin, + Immunity Support, 90 Chewable Tablets
Product 72 Brand N/A
Flintstones Children's Multivitamin, + Extra Iron, 90 Chewable Tablets
Flintstones Children's Multivitamin, + Extra Iron, 90 Chewable Tablets
Product 70 Brand N/A
Nature Made Triple Probiotic
Nature Made Triple Probiotic
Product 70 Brand N/A
Enfamil Poly Vi Sol®, Multivitamin Drops, 6-24 Months, 1 2/3 fl oz (50 ml)
Enfamil Poly Vi Sol®, Multivitamin Drops, 6-24 Months, 1 2/3 fl oz (50 ml)
Product 65 Brand N/A
Ensure High Protein Nutrition Shake Vanilla 8 fl oz, 6 Bottles
Ensure High Protein Nutrition Shake Vanilla 8 fl oz, 6 Bottles
Product 63 Brand N/A
Ensure High Protein Nutrition Shake Milk Chocolate, 8 fl oz Each / Pack of 6
Ensure High Protein Nutrition Shake Milk Chocolate, 8 fl oz Each / Pack of 6
Product 63 Brand N/A
Bayer Flintstones Complete
Bayer Flintstones Complete
Product 63 Brand N/A
BOOST Glucose Control Nutritional Drink Protein Shakes Very Vanilla, 8 fl oz / 6 Pack
BOOST Glucose Control Nutritional Drink Protein Shakes Very Vanilla, 8 fl oz / 6 Pack
Product 62 Brand N/A
BOOST Original Balanced Nutritional Drink Protein Shakes Very Vanilla, 8 fl oz / 6 Pack
BOOST Original Balanced Nutritional Drink Protein Shakes Very Vanilla, 8 fl oz / 6 Pack
Product 62 Brand N/A
Glucerna Hunger Smart Shake Rich Chocolate, 6 Bottles
Glucerna Hunger Smart Shake Rich Chocolate, 6 Bottles
Product 62 Brand N/A
Related Ingredients
Ancient Sea Salt Safe Ascorbic Acid (Vitamin C) Safe Biotin (Vitamin B7) Safe Calcium Ascorbate Safe Calcium Chloride Generally Safe Calcium Citrate Safe Calcium Gluconate Safe Calcium Lactate Safe
Frequently Asked Questions
Is Ferrous Sulfate safe in supplements?

Ferrous Sulfate is rated generally safe for most people at amounts commonly found in supplements. While the overall safety profile is favorable, some individuals may experience minor sensitivities. In GoodSupp's database, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Ferrous Sulfate and why is it in my supplement?

Ferrous sulfate is a form of iron. It appears in 20 products in the GoodSupp database.

Is Ferrous Sulfate natural or synthetic?

Ferrous Sulfate is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

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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.