Iron Bisglycinate
A well-absorbed form of iron that reduces gastrointestinal side effects*
Thorne’s Iron Bisglycinate is a highly absorbable form of iron that supports the formation and function of healthy red blood cells, essential for transporting oxygen throughout the body.* This gentle yet effective formula helps reduce fatigue and other effects of iron deficiency, which is common among women, athletes, and those with increased iron needs.* NSF Certified for Sport®, it’s trusted by professionals and everyday individuals alike for reliable, well-tolerated iron support without unnecessary additives.*
Individuals who can be prone to iron deficiency include:
- Women of menstruating age
- Individuals who follow a vegan or vegetarian diet
- Frequent blood donors
- Individuals who have undergone gastric bypass surgery
- Individuals who eat a very high fiber diet, which can inhibit iron absorption
- Individuals recovering from blood loss, such as injury or surgery
- Performance athletes who have any of the above additional risk factors
Signs of iron deficiency:
- Fatigue or weakness
- Shortness of breath
- Pale skin
- Cold hands and feet
- Feeling lightheaded or dizzy
- Changes in menstrual cycles
- Decreased athletic performance
In stock
Benefits of Thorne’s Iron Bisglycinate:
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Supports healthy red blood cell formation and oxygen transport*
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Helps combat fatigue, weakness, and low energy from iron deficiency*
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Optimized for absorption with minimal GI side effects (nausea, constipation, etc.)*
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Ideal for high-risk groups: menstruating women, vegetarians, athletes, post-surgery recovery*
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Provides 25 mg of elemental iron in a gentle, chelated form (Ferrochel®)*
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NSF Certified for Sport® — tested for purity and banned substances*
Features of Thorne’s Iron Bisglycinate:
- Iron provided in a chelated form for optimal absorption
- Reduced GI side effects, such as nausea and constipation*
- Provides 25 mg of elemental iron per serving as Ferrochel® chelate
Take 1 capsule daily or as recommended by your health-care practitioner.
ALLERGY WARNING: This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.
PREGNANCY: If pregnant, consult your health-care practitioner before using this product.
INTERACTIONS: There are no known adverse interactions or contraindications at publication date.
OTHER WARNINGS: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under six. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
NOTE: Iron is difficult for the body to absorb, and supplementing with conventional forms of iron, including ferrous sulfate, can cause gastrointestinal side effects – such as nausea, vomiting, constipation, diarrhea, and dark-colored stools. Thorne's Iron Bisglycinate contains iron reacted with glycine to optimize its absorption in the gastrointestinal tract, thus minimizing the typical side effects of iron supplementation.*
Ingredient Amounts
Serving Size: 1 Capsules
Servings Per Container: 60
- Iron (Bisglycinate) 25mg
- Other Ingredients: Hypromellose Capsule, Leucine, Microcrystalline Cellulose, Silicon Dioxide
NSF Certified for Sport®: Because athletes need to know their supplements are trustworthy and compliant, every batch of an NSF Certified for Sport® product is tested for compliance with label claims and to ensure the absence of more than 200 substances banned by many major athletic organizations.
cGMP Certified: Good Manufacturing Practices (cGMP)
NSF certified: Thorne’s facility is National Sanitation Foundation (NSF) certified
TGA Certified: Thorne has an A rating from Australia’s Therapeutic Goods Administration (TGA)




