Slow Fe Slow Fe, High Potency Iron 45 mg, Slow Release - 60 Tablets - Pack of 2 supplement bottle
Slow Fe

Slow Fe, High Potency Iron 45 mg, Slow Release - 60 Tablets - Pack of 2

What We Researched
1 active ingredient analyzed · 15 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
62
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Iron (elemental) 45 mg 250%
Bioavailability Fair

Absorption Rating

  • Iron (elemental) Fair
Other Ingredients Very Poor

Fillers & Additives

  • Ferrous sulfate USP
  • Dibasic Calcium Phosphate
  • Silicified Microcrystalline Cellulose
  • Hypromellose
  • Carbomer homopolymer
  • Ascorbic acid (preservative)
  • Magnesium Stearate
  • Tribasic calcium phosphate
  • Polyvinyl Alcohol
  • Polyethylene Glycol Low
  • Talc High
  • Titanium Dioxide High
  • Red 40 Lake Low
  • Yellow 6 Lake High
  • Blue 1 lake High
Efficacy Excellent

Dosage Analysis

  • Iron (elemental) 45 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Iron (elemental) 45 mg 250%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Ferrous sulfate USP Unknown
Dibasic Calcium Phosphate Generally_safe

It is used as a filler and to improve tablet hardness.

Silicified Microcrystalline Cellulose Generally_safe

It is used as a filler and flow agent in supplements.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Carbomer homopolymer Unknown
Ascorbic acid (preservative) Unknown
Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Tribasic calcium phosphate Unknown
Polyvinyl Alcohol Generally_safe

It is used as a coating for tablets or capsules.

Polyethylene Glycol Caution

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

Talc Avoid

It is used to improve powder flow and prevent clumping.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Red 40 Lake Caution

It is used to add color to the supplement.

Yellow 6 Lake Generally_safe

It is used to provide a yellow color to supplements.

Blue 1 lake Unknown

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.

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Frequently Asked Questions
Is Slow Fe Slow Fe, High Potency Iron 45 mg a good supplement?

Slow Fe Slow Fe, High Potency Iron 45 mg, Slow Release - 60 Tablets - Pack of 2 received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients Of the 15 inactive ingredients, 2 are rated safe and 3 are flagged for review.

What are the ingredients in Slow Fe Slow Fe, High Potency Iron 45 mg?

Slow Fe Slow Fe, High Potency Iron 45 mg contains 1 active ingredients: Iron (elemental) (45 mg). Notable high-dose ingredients include Iron at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Slow Fe Slow Fe, High Potency Iron 45 mg safe to take?

Slow Fe Slow Fe, High Potency Iron 45 mg, Slow Release - 60 Tablets - Pack of 2 has been analyzed for ingredient safety across all its components. Of 15 inactive ingredients, 2 are rated safe. 3 ingredients are flagged for review: Polyethylene Glycol, Titanium Dioxide, Red 40 Lake. '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.

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.