Great for: supporting energy production & metabolism, reducing tiredness and fatigue, immune function, cognitive function, red blood cell production

Iron Bisglycinate 20mg with vitamin C has been expertly formulated to support iron levels without the negative side effects associated with standard iron supplements, which are also poorly absorbed. Compounds in the diet including fibre, polyphenols and phytates can bind to iron and inhibit its absorption. To overcome this, we use the gentle chelated bisglycinate form which has higher bioavailability – up to 90% more than other forms. Iron bisglycinate is absorbed approximately 4x better than ferrous sulphate and sustains iron levels for longer. Targeted release technology delivers iron directly to the site of maximum absorption, the duodenum in the small intestines. We add co-factor vitamin C to enhance absorption by binding iron to transferrin, a protein that delivers iron to cells where it is needed.

This product is not recommended for men, women post-menopause or young women pre-menstruation without prior iron testing. 


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Expertly formulated to raise ferritin levels higher, with an effective daily dose of 20mg of bioavailable iron bisglycinate, combined with vitamin C to support the transport of iron, enhancing uptake in the body


Iron bisglycinate is absorbed up to 4x better than ferrous sulphate


Targeted release technology delivers iron directly to the small intestines for maximum absorption


We use a well-tolerated chelated form which binds iron to glycine, preventing irritation of gut tissue. Non-constipating & no nausea associated with standard iron supplements


By restoring healthy iron levels, supplementation may alleviate common symptoms of iron deficiency, including low energy, brain fog and poor immune defences


Ideal for those with low iron levels due to insufficient dietary intake or those with higher requirements (menstruating and pregnant women)


GMP manufactured in UK - quality standards that medicines manufacturers must meet in their production processes to ensure products are of consistent high quality
  • Description
  • Indications
  • Contents
  • Directions
  • Warnings
  • Nutrition
  • Allergen information
  • Product guide

High absorption iron bisglycinate is up to 4x better absorbed than standard iron sulphate whilst added co-factor vitamin C further enhances iron uptake. We use targeted release technology to deliver iron to the duodenum - the site of maximal absorption in the small intestines. The chelated form of iron bisglycinate is well tolerated, reducing irritation and minimising the unpleasant side effects of standard iron supplements.

  • Iron contributes to the normal formation of red blood cells and haemoglobin
  • Iron contributes to normal oxygen transport in the body
  • Iron contributes to normal energy yielding metabolism
  • Iron contributes to the reduction of tiredness and fatigue
  • Iron contributes to the normal function of the immune system
  • Iron contributes to normal cognitive function
  • Iron has a role in the process of cell division

Each bottle contains 180 tablets, providing a 6-month supply.

Adults: take 1 tablet daily in the morning.

For optimal absorption, ideally take one hour before food. Do not exceed the stated dose.

This product should not be used as a substitute for a varied and balanced diet and healthy lifestyle. This product contains iron, which, if taken in excess, may be harmful to very young children. Keep out of sight and reach of children. Men and pregnant, breastfeeding or postmenopausal women, and those with a medical condition or taking medication - please consult your medical practitioner before use. Store in a cool, dry place and away from sunlight.

Ingredients: Bulking agents: microcrystalline cellulose, hydroxypropyl methylcellulose; vitamin C (ascorbic acid, ascorbyl palmitate); ferrous bisglycinate; glazing agent: glycerol.

Mens multivitamim nutritional panel

This product is not made with any ingredients containing gluten, wheat, dairy, soya, eggs, fish, shellfish, tree nuts or peanuts. Our manufacturing facilities have strict allergen management procedures in place, however we cannot guarantee that our products are made in allergen-free facilities without the very small risk of trace amounts of cross contamination.

No artificial colours and flavours; not tested on animals; non-GMO; suitable for vegetarians & vegans; compatible with halal and kosher diets.

We often get asked many questions about our products, so our nutritionists have compiled this downloadable product information guide to ensure you get the most from taking Iron Bisglycinate 20mg. Find out when to take it, at what dose and how to maximise absorption for optimum results.

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Targeted release in the small intestine

Iron absorption occurs in the duodenum, a section of the small intestine immediately after the stomach. Iron supplements are often provided with slow release technology but may not dissolve in time for absorption to occur in the duodenum. Any unabsorbed iron can lead to the production of free radicals and reactive oxygen species. Our iron formulation uses targeted release technology to deliver iron directly to the duodenum for maximum absorption.

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Gentle on the stomach

Standard iron supplements are often associated with unpleasant side effects, including nausea and constipation. We use the well tolerated chelated iron bisglycinate form which binds iron to glycine, preventing irritation of gut tissue and minimising the unpleasant side effects of iron supplements. Targeted release technology releases iron in the small intestine, further preventing irritation in the stomach.

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Meaningful dose without overloading the body

Excess iron can be harmful to health, with gastrointestinal upset more likely to occur when supplementing high dose iron. Iron Bisglycinate delivers a meaningful 20mg dose to support iron status without upsetting homeostasis. Additionally, absorption of iron in the bisglycinate form is regulated by haemoglobin and ferritin levels in the blood and is less likely to cause iron overload. Simply take one tablet in the morning on an empty stomach.

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Energy support

Many people experience fatigue or reduced energy when iron stores are low. Iron supports energy production and the reduction of tiredness and fatigue by supporting the pathways for energy metabolism. Supplementing with bioavailable iron can be a quick and convenient way to boost levels.

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Concentration & immune support

Iron supports normal cognitive function. Low levels may lead to poor concentration, brain fog and memory loss, common symptoms of iron insufficiency. As well as increasing iron absorption, vitamin C works synergistically with iron to support the function of the immune system.

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Blood & cellular health

Shortness of breath often presents with low iron status. Iron supports the production of red blood cells and haemoglobin. Haemoglobin transports oxygen around the body, delivering oxygen to tissues. Iron is also required for cell division, important for cellular health.

Customer Reviews

Based on 14 reviews
Life Saver

I struggle to maintain iron levels and I became very anaemic. I tried other supplements and they either weren't strong enough or caused gut problems. The Igennus iron bisglycinate has not only got my iron levels to a healthy level, but they truly are gentle on the gut too. I noticed a difference almost immediately, but after about 3 months is when I really felt better. I'm stronger and my hair not only grew back but is thicker than ever and growing so fast! Thank you!

Ami Emery
A great help

After being told my iron was low I was keen to try these and I'm definitely feeling more myself now so I'm very pleased and will continue taking this product.

Great iron supplement

I need to take daily iron due to chronically low levels caused by Endometriosis and much prefer this one to many others I have tried over the years. Taking a good quality iron supplement daily helps me avoid ending up on the harsh prescription variety or needing transfusions.
This form of iron is MUCH more gentle on the stomach & includes a small amount of vitamin c to help with absorption - though I am also careful not to take it within an hour of tea or coffee which can inhibit absorption. I also take Igennus's fab Vitamin C complex as that helps your body to maximise iron absorption further (and boosts your immune system generally!).

Darren Butcher
Gentle on Gut Iron supplement

I take a single tablet daily when I wake up because it’s best to take an hour before food for optimum absorption. It can be difficult to fit in during the day if I forget. This vegan high absorption product has given me zero digestive side effects (unlike most Iron Supplements) and the gentle 20mg formulation helps prevent overloading.
I really like the fact I’m getting a vitamin C boost too when I take each tablet - the Vit C aids Iron absorption. A very neat and effective iron supplement.

Excellent product

Tasteless. No after taste or side effects. Easy way to take iron.

Be kind to your health

“We are living in a rapidly changing world that challenges us in new and unexpected ways. We believe evidence-based nutrition has an important role to play in helping us to protect and boost our wellbeing. At Igennus we empower people who are committed to investing in their health with high impact nutrition to lead a healthier and fuller life. Our supplements are expertly formulated by our in-house nutrition scientists to achieve superior bioavailability for maximum impact on your health."

Dr Jav Nazemi

CEO & Co-Founder