Best Iron Supplement Without Side Effects in UK 2025
Updated on 06/06/2025
#1
Recommended
4% Off
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- Natural liquid iron sourced from Snowdonia, North Wales, with only two ingredients: iron-rich water and apple concentrate
- Higher absorption rate results in fewer digestive side effects like constipation and stomach irritation
- Efficient iron absorption means lower milligrams per dose while meeting daily needs
- Trusted since 1873, with a history of use for over 150 years, originating from Romans who discovered its benefits
- Convenient sachets for daily use, providing a tasty apple flavor and enhanced absorption with Vitamin C
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- Natural liquid iron sourced from Snowdonia, North Wales, with only two ingredients: iron-rich water and apple concentrate
- Higher absorption rate results in fewer digestive side effects like constipation and stomach irritation
- Efficient iron absorption means lower milligrams per dose while meeting daily needs
- Trusted since 1873, with a history of use for over 150 years, originating from Romans who discovered its benefits
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#2
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- Natural iron supplement sourced from Snowdonia, North Wales, containing only 100% natural iron-rich water.
- Higher absorption rate than traditional iron tablets, leading to fewer gastrointestinal side effects like constipation and stomach discomfort.
- Despite lower iron content in mg, Spatone allows for greater absorption, helping meet daily iron requirements more effectively.
- Has a trusted history of over 150 years, benefiting users since the 19th century and known for its natural iron properties since Roman times.
- Convenient daily intake with 1 sachet (or 2 during pregnancy); can be mixed with juice for improved taste.
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- Natural iron supplement sourced from Snowdonia, North Wales, containing only 100% natural iron-rich water.
- Higher absorption rate than traditional iron tablets, leading to fewer gastrointestinal side effects like constipation and stomach discomfort.
- Despite lower iron content in mg, Spatone allows for greater absorption, helping meet daily iron requirements more effectively.
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#3
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- Clinically proven to increase iron levels by 94%.
- Gentle on the stomach and non-constipating.
- Helps support energy levels and reduce fatigue.
- Provides 14mg of iron to help manage low iron levels.
- Appropriate for vegetarians, pregnant individuals, and those with coeliac disease.
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- Clinically proven to increase iron levels by 94%.
- Gentle on the stomach and non-constipating.
- Helps support energy levels and reduce fatigue.
- Provides 14mg of iron to help manage low iron levels.
- Appropriate for vegetarians, pregnant individuals, and those with coeliac disease.
#4
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- Contains 28mg of highly bioavailable Iron (as Ferrous Bisglycinate) per serving, ensuring better absorption and fewer digestive issues.
- Each pack provides a 6+ month supply with 400 tablets, designed at just 8mm in diameter for easy swallowing.
- Supports normal oxygen transport and red blood cell formation, reducing tiredness and enhancing energy metabolism.
- Suitable for vegan and plant-based diets; free from magnesium stearate, Non-GMO, and lactose.
- Produced by a trusted British family business with over 18 years of experience in health supplements, ensuring high quality and safety standards.
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- Contains 28mg of highly bioavailable Iron (as Ferrous Bisglycinate) per serving, ensuring better absorption and fewer digestive issues.
- Each pack provides a 6+ month supply with 400 tablets, designed at just 8mm in diameter for easy swallowing.
- Supports normal oxygen transport and red blood cell formation, reducing tiredness and enhancing energy metabolism.
- Suitable for vegan and plant-based diets; free from magnesium stearate, Non-GMO, and lactose.
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#5
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- Each tablet of Iron Energy+ contains 14mg of Iron, Vitamin B12, Vitamin C, and Folic Acid, formulated by scientists to help reduce tiredness and support immune health.
- Products come in flat pack packaging to reduce storage costs and postage fees, allowing for better pricing on quality iron vitamins.
- Tablets are 10mm in diameter, making them easy to swallow and a viable alternative to larger iron supplements.
- Suitable for vegetarians and vegans, these iron vitamins are gluten-free and produced with ethical sourcing practices.
- Commitment to sustainability with a target for net zero emissions by 2025 and a focus on reducing plastic waste in packaging.
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- Each tablet of Iron Energy+ contains 14mg of Iron, Vitamin B12, Vitamin C, and Folic Acid, formulated by scientists to help reduce tiredness and support immune health.
- Products come in flat pack packaging to reduce storage costs and postage fees, allowing for better pricing on quality iron vitamins.
- Tablets are 10mm in diameter, making them easy to swallow and a viable alternative to larger iron supplements.
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#6
23% Off
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- Clinically proven to boost iron levels by 94%.
- Gentle on the stomach, non-constipating formula.
- Supports energy levels and helps to reduce fatigue.
- Provides 25mg of iron per capsule.
- Suitable for vegetarians and safe during pregnancy.
- Free from gluten, sugar, and artificial additives.
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- Clinically proven to boost iron levels by 94%.
- Gentle on the stomach, non-constipating formula.
- Supports energy levels and helps to reduce fatigue.
- Provides 25mg of iron per capsule.
- Suitable for vegetarians and safe during pregnancy.
- Free from gluten, sugar, and artificial additives.
#7
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- High bioavailability for optimal iron absorption, providing 42 mg of iron per daily dose without stomach discomfort.
- Contains premium Bisglycinate form of iron for effective intestinal absorption, enhanced by natural vitamin C for increased uptake.
- Essential for cognitive function, reducing fatigue, and maintaining energy metabolism, while also supporting immune system health.
- Manufactured to high European quality standards, free from allergens, heavy metals, and unnecessary additives, ensuring a premium natural product.
- Satisfaction guarantee ensuring customer support and quality of life improvement.
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- High bioavailability for optimal iron absorption, providing 42 mg of iron per daily dose without stomach discomfort.
- Contains premium Bisglycinate form of iron for effective intestinal absorption, enhanced by natural vitamin C for increased uptake.
- Essential for cognitive function, reducing fatigue, and maintaining energy metabolism, while also supporting immune system health.
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#8
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- Tablets are small (8 mm diameter) for easy swallowing, with a recommended dosage of 2 tablets daily.
- Iron aids in reducing fatigue, boosting metabolism, enhancing cognitive function, supporting red blood cell formation, transporting oxygen, and strengthening the immune system.
- Each tablet contains 28 mg of iron enhanced with vitamin C for better absorption; the pack offers 360 tablets for a 6-month supply.
- Iron bisglycinate is gentle on sensitive stomachs and is non-constipating, suitable for pregnant or breastfeeding women, those with dietary restrictions, and seniors.
- Customer satisfaction is prioritized, and support is available if the product does not meet individual needs.
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- Tablets are small (8 mm diameter) for easy swallowing, with a recommended dosage of 2 tablets daily.
- Iron aids in reducing fatigue, boosting metabolism, enhancing cognitive function, supporting red blood cell formation, transporting oxygen, and strengthening the immune system.
- Each tablet contains 28 mg of iron enhanced with vitamin C for better absorption; the pack offers 360 tablets for a 6-month supply.
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#9
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- High strength iron tablets containing 14mg of ferrous fumarate
- Supplied in a bottle of 365 tablets for a 12-month supply
- Suitable for both men and women
- Designed to reduce tiredness and fatigue
- Vegan iron supplement
- Manufactured in the UK
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- High strength iron tablets containing 14mg of ferrous fumarate
- Supplied in a bottle of 365 tablets for a 12-month supply
- Suitable for both men and women
- Designed to reduce tiredness and fatigue
- Vegan iron supplement
- Manufactured in the UK
#10
15% Off
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- Iron supports the formation of red blood cells and haemoglobin, essential for healthy circulation.
- This iron supplement aids normal oxygen transport, enhances immune function, and helps reduce tiredness and fatigue.
- Formulated for both men and women, this vegan, non-GMO, and gluten-free iron supplement is designed to boost daily iron levels.
- Each bottle contains 365 small, easy-to-swallow tablets, manufactured to high standards in the UK.
- Undergoes thorough quality testing, including third-party lab tests for heavy metals and contaminants, ensuring safety and efficacy.
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- Iron supports the formation of red blood cells and haemoglobin, essential for healthy circulation.
- This iron supplement aids normal oxygen transport, enhances immune function, and helps reduce tiredness and fatigue.
- Formulated for both men and women, this vegan, non-GMO, and gluten-free iron supplement is designed to boost daily iron levels.
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