**Ferrochel Iron Bisglycinate** at 25mg per capsule puts you right at the top of the maintenance range (15–25mg) used in clinical research for preventing deficiency and supporting energy levels. This is the bisglycinate chelate form, which absorbs 2–4x better than standard iron salts and is significantly easier on your stomach — meaning you're getting more usable iron per milligram.

At 25mg, you're well-dosed for maintaining healthy iron stores, supporting oxygen transport to muscles and brain, and sustaining energy production. If you're addressing a diagnosed deficiency, your practitioner may recommend a higher dose in the 25–45mg range.

One important note: iron is one of the few supplements you should test before taking. Get your ferritin levels checked first — supplementing when you're not deficient can lead to iron overload, which causes its own health problems. Pairing with vitamin C at meals will boost absorption further.

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BioStacks

Thorne

Iron Bisglycinate

Capsule · 60 servings · $0.27/serving

93 / 100Excellent

Score Breakdown

Formulation
93
Safety
100
Final score
93/100

Ingredients (1)

Ferrochel25 mg

Optimal dose · Premium form

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

Ferrochel25 mg

313%

Other Ingredients

Fillers, coatings, and additives

4Safe

Silicon DioxideAnti-caking

Safe

HypromelloseCapsule

Safe

LeucineFlow Aid

Safe

Microcrystalline CelluloseBinder

Safe

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.