O2B Gentle Iron

O2B Gentle Iron

Elemental iron with Vitamin C for blood formation, oxygen transport and everyday energy.

Supports normal oxygen transport
Contributes to normal blood formation
Supports normal energy production
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O2B Gentle Iron combines 12 mg of elemental iron as gentle, well-absorbed iron bisglycinate with 100 mg of vitamin C to support healthy iron levels, oxygen transport and energy production.

Gentle, well-absorbed iron for energy and everyday wellbeing

O2B Gentle Iron combines 12 mg of elemental iron from iron bisglycinate with 100 mg of vitamin C to support healthy red blood cell formation, oxygen transport and normal energy metabolism.

Iron is an essential mineral involved in carrying oxygen throughout the body, supporting cellular energy production and maintaining normal cognitive and immune function.

Using iron bisglycinate, a chelated form of iron known for its good absorption and generally favourable digestive tolerance, Gentle Iron offers a practical way to support daily iron intake.

Iron bisglycinate: designed for gentle absorption

Iron bisglycinate is a form of iron in which an iron atom is bound to two molecules of the amino acid glycine.

This chelated structure helps maintain iron in a form suitable for absorption and may reduce some of the digestive discomfort associated with conventional iron supplements.

Compared with certain traditional iron salts, iron bisglycinate has demonstrated good bioavailability and, in some studies, fewer gastrointestinal side effects.

This makes it an appealing option for people who find standard iron supplements difficult to tolerate.

Iron: essential for healthy red blood cells

Iron is a central component of haemoglobin, the protein in red blood cells responsible for transporting oxygen from the lungs to tissues throughout the body.

Without adequate iron, the body cannot produce haemoglobin normally, potentially affecting the amount of oxygen delivered to muscles, organs and other tissues.

Iron is also required for myoglobin, an oxygen-binding protein found in muscle cells.

O2B Gentle Iron provides nutritional support for these important oxygen transport and storage systems.

Supporting normal energy production

Iron contributes to energy metabolism through its role in enzymes and proteins involved in mitochondrial function.

Within mitochondria, iron-containing compounds participate in the electron transport chain, which helps cells produce ATP, the body's main usable energy currency.

When iron levels are inadequate, people may experience tiredness, reduced exercise tolerance or difficulty maintaining their usual activity levels.

Maintaining sufficient iron intake supports the body's normal energy-producing processes.

Vitamin C: supporting iron absorption

Vitamin C helps improve the absorption of non-haem iron by supporting its solubility and conversion into a form that can be absorbed in the intestine.

Each stated serving of O2B Gentle Iron provides 100 mg of vitamin C alongside 12 mg of elemental iron.

Vitamin C also contributes to normal immune function, collagen formation and antioxidant protection, providing complementary nutritional benefits beyond iron absorption.

Iron and healthy cognitive function

The brain requires a continuous supply of oxygen and energy to function normally.

Iron contributes to oxygen delivery and is involved in several neurological processes, including neurotransmitter metabolism.

Adequate iron status is therefore important for normal cognitive function, concentration and overall neurological wellbeing.

Supporting women and people with increased iron requirements

Iron requirements vary throughout life and can be influenced by factors such as menstruation, pregnancy, dietary intake and physical activity.

Women who menstruate, people following vegetarian or vegan diets, and individuals with increased iron needs may benefit from paying closer attention to their iron intake.

O2B Gentle Iron offers a measured amount of elemental iron in a convenient formulation, helping support daily nutritional requirements when supplementation is appropriate.

A simple, focused two-nutrient formulation

O2B Gentle Iron brings together just two complementary active ingredients:

  • Iron bisglycinate: providing 12 mg of elemental iron for healthy red blood cell formation, oxygen transport and normal energy metabolism.
  • Vitamin C: providing 100 mg to support iron absorption, antioxidant protection and normal immune function.

Together, they offer straightforward nutritional support for maintaining healthy iron status, energy and everyday wellbeing.

What is O2B Gentle Iron designed for?

O2B Gentle Iron provides supplemental iron to support normal blood formation, oxygen transport, energy production, cognitive function and the reduction of tiredness and fatigue.

How much iron is in each capsule?

Each capsule provides 12mg of elemental iron from iron bisglycinate.

What is iron bisglycinate?

Iron bisglycinate is a chelated form in which iron is bound to the amino acid glycine. It is commonly used in supplements designed with absorption and gastrointestinal tolerance in mind. Comparative research suggests it may produce fewer gastrointestinal adverse effects than some conventional iron preparations in certain populations.

Why does Gentle Iron contain Vitamin C?

Vitamin C helps increase the absorption of non-haem iron, making it a useful companion nutrient in an iron supplement.

Will Gentle Iron help with tiredness?

Iron contributes to the reduction of tiredness and fatigue, but tiredness has many possible causes. If fatigue is persistent, it is sensible to investigate the cause rather than assuming iron deficiency.

Should I have my iron levels tested first?

For ongoing supplementation, particularly where deficiency is suspected, blood testing is the most useful way to determine iron status and guide dosing. Iron supplementation should not be used to self-diagnose iron-deficiency anaemia.

When should I take Gentle Iron?

The suggested use is 1–2 capsules in the morning on an empty stomach, or as directed by your healthcare professional.

Can I take it with coffee or tea?

It is better to separate iron from coffee and tea because polyphenols can interfere with non-haem iron absorption. Taking them 1–2 hours apart is a practical approach.

Can I take it with calcium or magnesium?

Calcium can potentially interfere with iron absorption, so calcium and iron supplements are generally best taken at different times. Magnesium does not have the same established interaction, but separating a multi-mineral supplement from iron can help simplify your routine.

Should I take iron every day or every second day?

Both approaches may be used. Research has shown that alternate-day dosing can improve fractional absorption in some iron-depleted women, but the appropriate schedule depends on iron status, dose and the reason for supplementation. Follow the regimen recommended by your healthcare professional.

Can I take Gentle Iron during pregnancy?

Iron requirements increase during pregnancy, but supplementation should be guided by your midwife, doctor or other healthcare professional, particularly because the appropriate dose depends on individual iron status.

Can I take it with thyroid medication?

Iron can interfere with absorption of levothyroxine. Guidance cited by the NIH recommends separating levothyroxine and iron supplements by at least 4 hours.

Can I combine Gentle Iron with a multivitamin?

Check how much iron the multivitamin already contains before combining products. Avoid unintentionally doubling up on iron unless advised by a healthcare professional.

Suggested Dose:

Take 1-2 capsules in the morning on an empty stomach or as directed by your health care professional.

Best taken separate from tea/coffee/tannins and dairy products by 1-2 hours.

Absorption may be more effective if taken every other day (refer to the role of hepcidin in iron regulation).

Cautions and Warnings:

  • Iron may interact with some medications.
  • If taking prescription medication, pregnant, nursing or have known ingredient sensitivities please consult your healthcare professional before taking this product.
  • Not recommended for children.
  • Do not exceed recommended dose.
  • Do not take with tea or coffee

Each capsule contains:

Ingredient Amount Role in Iron, Energy & Blood Health Support
Iron Bisglycinate (equiv. elemental iron) 12 mg Provides a well-absorbed form of iron to support healthy red-blood-cell formation, oxygen transport and normal energy levels
Vitamin C (Ascorbic Acid) 100 mg Supports iron absorption while providing antioxidant protection and supporting healthy immune function and collagen production

Who is O2B Gentle Iron for?

O2B Gentle Iron may be useful for adults who have increased iron requirements, low dietary iron intake, or have been advised by a healthcare professional to supplement iron.

This may include menstruating women, people following diets low in readily absorbed iron, frequent blood donors, or people whose blood tests indicate that additional iron is appropriate. Premenopausal women and pregnant women are among groups with greater risk of inadequate iron intake, although pregnancy supplementation should be individually guided by a healthcare professional.

Iron deficiency may be indicated in those with Restless Leg Syndrome (RLS). Read more here: Magnesium & Restless Legs Explained | O2B Healthy

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