Iron Bisglycinate

Give your iron levels a helping hand with our high-strength Iron Bisglycinate. Designed to support energy levels, immune health, cognitive function and more, our 1-a-day capsule is easy to take and even easier to absorb.

Unlike other iron supplements our iron bisglycinate is gentle on the stomach, providing all the benefits of bioavailable iron without the usual side effects of pain and constipation. Plus, our additive-free blend delivers 100% iron bisglycinate with no unnecessary extras. 

Regular price£0.00
/
  • 10% Discount Applied at Checkout (Excludes Subscriptions).

2 capsules provide:
Ingredient Amount NRV %
Iron Glycinate
Providing 20mg of Iron
100mg 143%

Ingredients: Stoneground Brown Rice Flour (Gluten Free) (Oryza Sativa), Iron Glycinate, Natural Rice Extract (NuMag) (Oryza Sativa).

1 capsule per day, morning or night. Can be taken with or without food.

Store in a cool, dry place.

Each pack contains 60 capsules / 60-day supply.

Cautionary Advice

Do not exceed recommended daily intake. If you are pregnant, breastfeeding, taking medication or under medical supervision, please consult your healthcare practitioner before taking any food supplement. Keep out of sight and reach of young children. Food supplements are not to be used as a substitute for a varied, balanced diet and healthy lifestyle. Store in a cool, dry place away from direct sunlight.

At Ethical Nutrition, quality and safety come first—every ingredient, every batch.

Independent Lab Testing
Before any ingredient is used in production, it’s tested by accredited third-party laboratories for heavy metals and microbiological contaminants. Only materials that meet our strict standards move forward to become part of your supplement.

Full Batch Transparency
We believe in clear, honest communication. That’s why we share a summary of the latest test results for every product batch. You can view the latest batch test here. If you’d like to see a previous batch, just drop us a message at hello@ethical-nutrition.com and we’ll be happy to help.

Made to the Highest Standards
Our products are manufactured in a BRCGS Grade AA certified facility and produced under strict Good Manufacturing Practice (GMP) guidelines. These certifications ensure robust controls around cleanliness, traceability, ingredient quality, and packaging.

Exceptional Allergen Control
We follow rigorous allergen management procedures from goods-in through to dispatch. Dedicated cleaning routines, thorough risk assessments, and segregated storage help minimise cross-contamination risks—making our supplements a safer choice for sensitive individuals.

100% Clean Formulas
You won’t find any unnecessary fillers, binders or additives in our supplements. They’re free from GMOs, palm oil, flavourings and the top 14 allergen-containing ingredients (including gluten, dairy, soy, and nuts). All of our products are registered with the Vegan Society.

We do the hard work behind the scenes so you can trust what’s in the capsule.

  • 60 Vegan Capsules
  • Money-back guarantee.
  • Made in the UK to GMP standards.
  • Plastic-free packaging.
  • Family-owned business.
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Backed by Science

Clinically Studied Dosage

Each daily serving provides 1000mg of Nordic Lion’s Mane extract, as used in a published human trial.

Supports Memory & Attention

Shown to improve working memory, attention, and reaction time in healthy adults within 2 hours.

Helps lift mood and wellbeing

Participants reported improved happiness and mental clarity after a single dose.

Gentle but effective

Delivered cognitive benefits without stimulants, jitters, or changes in blood pressure.                                               

Meet the Mushroom

BENEFITS OF DAILY USE

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Meet The Mineral

Gentle IRON BISGLYCINATE

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Gentle on Digestion

Formulated with iron bisglycinate — known as the “gentle” iron — to minimise nausea and constipation.

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Superior Absorption

Chelated with glycine for enhanced bioavailability. Your body recognises it as food, not metal.

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One-a-Day Simplicity

A single capsule daily provides all the support you need — with no unnecessary additives, binders, or bulking agents.

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Therapeutic Dose

Each capsule delivers 20mg of elemental iron — a clinically relevant dose to support energy and immunity.

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Backed by Science

Iron contributes to energy production, red blood cell formation, brain health, and immune defence — all supported by EFSA-approved health claims.

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Ideal for Sensitive Needs

Perfect for vegans, those with heavy periods, pregnancy, or anyone with poor iron absorption due to gut conditions.

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Vegan & Additive-Free

No fillers, bulking agents, or animal ingredients. Just clean, ethical nutrition.

Free From…

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GMOs

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Magnesium Stearate

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Gelatin

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Palm Oil Derivatives

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Maltodextrin,

Bulking Agents

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Titanium

Dioxide

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Sugar

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Additives

We use an ultrasonic-assisted extraction method for our Lion's Mane supplement rather than standardisation to specific components. This helps us retain the mushroom’s full range of naturally occurring compounds, giving you a more balanced and effective extract. 

Why Ultrasonic-Assisted Extraction Matters

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Unlocks more actives

Breaks down mushroom cell walls to release key nutrients more effectively.

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Protects the good stuff

Low temperatures preserve heat-sensitive compounds like hericenones.

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Cleaner and greener

Uses less energy and fewer solvents than traditional extraction methods.

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Fast and efficient

Delivers higher potency in less time with minimal waste or degradation.

The Ethical Nutrition Difference

Tried other Lion's Mane products before?

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The Ethical Nutrition Difference

Tried other lion's mane products before?

Most use non-organic mushrooms or mycelium grown on grain — a cheaper option that may contain unwanted residues like pesticides, fillers, or even heavy metals.

We don’t take that risk. Our Lion’s Mane is 100% organic, grown in pristine Nordic conditions and made exclusively from the mushroom’s nutrient-rich fruiting body. This means a cleaner, more concentrated extract with nothing to dilute its benefits.

In a 2023 randomised, double-blind human study, our extract was shown to significantly outperform a standard Lion's Mane. Participants experienced up to 2x greater improvements in focus, memory, and NGF (nerve growth factor) support, with no reported side effects (Stohs et al., Nutrients, 2023).

Why Choose Ethical Nutrition?

Plastic Free

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Our commitment to the environment starts with our packaging.
Enjoy our products in exclusive, fully recyclable, plastic-free packaging.

UK Manufacturing

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We only work with UK manufacturers who match our obsession with quality, safety, purity, and ethical manufacturing. Manufactured to Good Manufacturing Practice (GMP) standards,
ensuring safe, high-quality supplements.

Family Owned

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Supporting a small UK business means supporting a community.
When you choose us, you're not just buying a product;
you're investing in a family's passion for health and wellness.

Ingredient Quality

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Selected by nutritional experts for superior bioavailability, effectiveness, and in the most natural form permitted. All ingredients undergo stringent supplier approval programs, manufacturing, quality, specification, and sample checks.

What Makes Our Lion’s Mane Different

How We Stack Up

Uses well-absorbed iron bisglycinate

Non-constipating and easy on digestion

Chelated Iron for optimal absorption

Plastic-free, recyclable packaging

Made in the UK to GMP standards

Free from fillers, binders & bulking agents

Independently tested for metals & impurities

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Iron Bisglycinate

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Other Brands

Standard Iron Products

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Organically Grown, clean, batch tested.

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Organic

Grown organically on fully traceable farms.

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Concentrated

Dried and filtered to concentrate for curcumin content.

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Tested

Every batch is tested for heavy metals and contaminants.

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Clean

Blended and encapsulated without any additives.

FAQs

What is iron bisglycinate?

Iron bisglycinate is made up of elemental iron attached to two molecules of the amino acid glycine. This combination makes iron bisglycinate more bioavailable than other forms of iron. Your body recognises glycine as “food” and easily absorbs the attached iron. Iron bisglycinate is often called “gentle” iron because it’s kinder to your digestion than the commonly used ferrous sulphate which frequently causes nausea, constipation, and stomach pain.

What are the health benefits of iron?

Iron is essential for [1]:

Energy: iron-dependent enzymes are part of the energy production cycle inside cells.

Cognitive function and brain health: iron plays a crucial role in oxygen transportation in the brain, cognitive energy production, and synthesising neurotransmitters like serotonin, dopamine, adrenaline, and noradrenaline [2].

Building red blood cells and haemoglobin: for oxygen transportation around the body.

Healthy immune function: iron is essential for a balanced response from both the innate and adaptive immune systems. It regulates the development and function of T-cells, B-cells, and Natural Killer cells [3].

Normal cell division: iron-dependent enzymes play an important role in cell metabolism and DNA synthesis [4]. Too much or too little iron can have a negative impact on cell health.

What are the signs of iron deficiency?

Common signs of iron deficiency include [5]:
- Breathlessness.
- Fatigue, feeling tired and listless
- Poor memory and concentration, brain fog.
- Paler skin.
- Heart palpitations.
- Headaches.

Is iron bisglycinate as effective as ferrous sulphate?

Yes, in fact iron bisglycinate is considered to be more bioavailable than ferrous sulphate and less likely to cause gastrointestinal side effects like constipation, nausea, and stomach pain.

Ferrous sulphate is an iron salt whereas iron bisglycinate is a chelated form of iron (the iron is bound – “chelated” - to glycine). Because the chelation process provides greater bioavailability of iron, the dosage for iron bisglycinate is usually lower than for ferrous sulphate.

Researchers looking at the prevention of iron deficiency in pregnancy found that 25mg of iron bisglycinate was as effective as 50mg ferrous sulphate in preventing iron deficiency. In addition, the participants taking iron bisglycinate had fewer side effects and their newborn babies were slightly heavier [6].

Who can benefit from taking iron bisglycinate?

Iron bisglycinate may be helpful if you are:

- Vegetarian, vegan, or following a largely plant-based diet. Plant sources of iron (called non-haem iron) are not as bioavailable as the haem iron found in meat, fish, and other animal products.

- Experiencing frequent heavy periods: menstru
al blood loss can affect iron levels.

-  Managing iron-deficiency anaemia.

- Pregnant or breastfeeding.

- Using medication that interferes with iron absorption, e.g. antacids, PPIs (proton-pump inhibitors), antibiotics, and bisphosphonates.

- Managing a gastrointestinal condition like Coeliac or Crohn’s disease that might impact iron absorption in the gut.

- A frequent blood donor. Regular blood donation can affect iron levels. It is important to have your iron levels monitored while using an iron supplement as excessive amounts of iron can be just as problematic as low amounts.

Does iron bisglycinate interact with any medications?

Yes, some medications can impair the absorption of iron while others may be affected by an iron supplement. We recommend you speak to your healthcare provider before using this supplement if you are pregnant, breastfeeding, taking prescription medications, or under medical supervision.

What are the side effects of iron bisglycinate?

Iron bisglycinate is very well tolerated compared to other forms of iron and has a far lower risk of causing constipation or other digestive side effects.

We recommend taking it with food but not with black or green tea, dairy, or a meal rich in wholegrains (e.g. beans, nuts, seeds, and wholegrains) as they may interfere with iron absorption [7].

THE EVIDENCE

1. Nutraceuticals Group, 2024. Full list of EFSA health claims 

2. Jáuregui-Lobera, I. 2014. Iron deficiency and cognitive functions. Neuropsychiatric Disease and Treatment, 10, 2087. 

3.Ni, S., Yuan, Y., Kuang, Y., & Li, X. 2022. Iron Metabolism and Immune Regulation. Frontiers in Immunology, 13, 816282.

4. Khan, A., Singh, P., & Srivastava, A. 2020. Iron: Key player in cancer and cell cycle? Journal of Trace Elements in Medicine and Biology, 62, 126582.

5. NHS, 2024. Iron deficiency anaemia. 

6. Milman, N., Jønsson, L., Dyre, P., Pedersen, P.L., Larsen, L.G. 2014. Ferrous bisglycinate 25 mg iron is as effective as ferrous sulfate 50 mg iron in the prophylaxis of iron deficiency and anemia during pregnancy in a randomized trial. Journal of Perinatal Medicine 42(2):197-206

7. Petroski, W., & Minich, D. M. 2020. Is There Such a Thing as “Anti-Nutrients”? A Narrative Review of Perceived Problematic Plant Compounds. Nutrients, 12(10), 2929

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