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Iron deficiency is one of the most common nutritional shortfalls we see, yet supplementing without a blood test is a mistake — both under- and over-supplementing carry consequences. Where low ferritin is confirmed, Iron-C earns its place through a straightforward, well-evidenced mechanism: the addition of vitamin C meaningfully improves bioavailability. Pure Encapsulations' clinical-grade formulation approach makes this a brand our doctors trust to recommend without reservation.
About this product
Iron-C
Iron-C by Pure Encapsulations is a daily iron supplement formulated alongside vitamin C to support iron absorption and red blood cell production. Iron is an essential mineral; without adequate levels, the body cannot produce sufficient haemoglobin, which carries oxygen to tissues. Vitamin C, when taken alongside iron, converts ferric iron to the more bioavailable ferrous form, meaningfully improving uptake in the gut. This combination is well-established in nutritional medicine and is a common clinical recommendation for those supplementing iron.
This supplement suits people with confirmed low ferritin or iron-deficiency anaemia — ideally identified through a blood test rather than guesswork. It is particularly relevant for women of reproductive age with heavy menstrual cycles, individuals following plant-based diets where dietary iron is predominantly non-haem and less readily absorbed, and anyone recovering from iron-depleting periods such as pregnancy or sustained endurance training.
Pure Encapsulations is a brand with a longstanding clinical reputation, formulating to professional-grade standards with minimal unnecessary excipients. Their products are a regular choice among practitioners who want a clean-label option they can recommend with confidence. As always, iron supplementation is best guided by blood results — too much iron carries its own risks, and this is not a supplement to take speculatively long-term without monitoring.
What it does
Benefits
- 01
Pairs iron with vitamin C to improve absorption
- 02
Supports haemoglobin production and oxygen transport
- 03
Suited to plant-based diets with low haem-iron intake
- 04
May help address fatigue linked to low ferritin
- 05
Minimal excipients — a clean-label clinical formulation
Get the most from it
How to use
Take 1 capsule daily, as directed on the packaging. Iron is generally better tolerated when taken with food, which may also reduce the risk of nausea. The vitamin C in the formula assists absorption without needing an additional supplement.
What's inside
Ingredients
View full ingredient list
Iron with Vitamin C
Common questions
Frequently asked
Do I need a blood test before taking this?
We strongly recommend one. Iron deficiency and iron-deficiency anaemia are diagnosed via blood markers including ferritin and haemoglobin. Taking iron supplements without confirmed deficiency is not advisable long-term, as excess iron accumulates and can cause harm.
Why is vitamin C included alongside iron?
Vitamin C converts dietary iron from its ferric form to the more soluble ferrous form, which the gut absorbs far more readily. This is particularly relevant for non-haem iron (the form found in plant foods and most supplements), which is inherently less bioavailable than haem iron from animal sources.
Who is most likely to benefit from this supplement?
Those with confirmed low ferritin or iron-deficiency anaemia, women with heavy periods, people following vegan or vegetarian diets, pregnant or recently postpartum women, and athletes in heavy training blocks who may deplete iron through sweat, foot-strike haemolysis, or increased red blood cell turnover.
Could this cause digestive side effects?
Iron supplements can cause nausea, constipation, or dark stools in some people. Taking the capsule with food may reduce gastrointestinal discomfort. If side effects persist, speak to a clinician — there may be a more suitable form or dose for your situation.
Can I take this alongside other supplements or medications?
Iron can interact with certain medications, including some thyroid drugs, antibiotics, and antacids, by reducing their absorption. Space iron away from these by at least two hours. If you are on prescription medication, check with your GP or pharmacist before starting iron supplementation.
Doctor-guided care
Test before you supplement.
Bloods are the only way to know what your body actually needs. We'll tell you which of these supplements earn their place.
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