Sleevar Iron: Use, Side Effects and the Best Time for Iron

Reviewed by the Beseha pharmacist team · Updated 14 November 2026 · The numbers come from published PubMed studies and the product page · 7-minute read

What is Sleevar Iron?

#1

45 mg iron21+ vitamins and minerals

Sleevar Iron – 30 Capsules

Iron with vitamins and minerals in a daily capsule

EGP 390

30 capsules · current price from the product page

• The page: 45 mg iron with B vitamins, A, C, D3, E and K1, and magnesium, zinc, copper, selenium, manganese and iodine
• The page: one capsule a day after the main meal with water
• The page: a food supplement, not a medicine, a gelatin capsule from Hafni Pharma Group

Heads-up: The page does not state the iron form or the amounts of the other nutrients, and the pack is the reference

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How to use it and the best time for iron

• Per the page: one capsule a day after the main meal with enough water, and do not exceed the dose. And if you take another supplement with iron or vitamins, check with a pharmacist so they are not doubled.
• Morning, away from food: in a study of 34 iron-depleted women (von Siebenthal 2023) that measured absorption of 100 mg iron doses: coffee cut absorption by 54 percent, coffee with breakfast by 66 percent, vitamin C at 80 mg raised it by 30 percent and 500 mg added nothing more, and absorption in the afternoon was 37 percent lower (not statistically significant). The authors concluded the best is the morning, away from meals and coffee, and with a vitamin C source.
• That is not exactly what the page says: the page says after the main meal, and the study measured absorption, not symptoms. If your stomach suffers on an empty stomach, ask a pharmacist or doctor which suits you.
• Vitamin C: a trial of 440 patients with anaemia (Li 2020) found iron alone equivalent to iron with vitamin C in raising haemoglobin after two weeks (2.00 versus 1.84 g/dL), so you need not add a vitamin C supplement, and the capsule already contains vitamin C.
• Alternate days: a trial of 150 women (von Siebenthal 2023) found the same ferritin with fewer stomach effects on alternate days, while another small trial of 60 women over 14 days (John 2026) found daily dosing improved some blood indices more. So the results do not agree, and changing the regimen is the doctor’s decision.

Side effects: what does the research say?

All the numbers are for iron salts at doses other than 45 mg, there is no study on Sleevar Iron itself, and the page does not state the iron form. We opened no source on how the calcium, zinc or magnesium in the capsule affect iron absorption. And constipation and the details are in do iron supplements cause constipation?.

• Stomach effects: nausea, pain, and constipation or diarrhoea are common gastrointestinal effects with iron salts (Tolkien 2015).
• Test first: the page says a supplement, not a medicine, and iron without a proven deficiency is not a good idea, and the details are in iron supplements in Egypt: types and the best for anaemia.
• With medicines: the page advises checking with a professional if you use other supplements with iron or vitamins; and we opened no source on specific drug interactions with this capsule.
• Children: an excess iron dose is dangerous for children, so keep it away from them.

FAQ

Read next: iron supplements in Egypt: types and the best for anaemia, do iron supplements cause constipation? and Totavit and Menestro: benefits and dose.

The bottom line

Sleevar Iron is 45 mg iron with vitamins and minerals, a capsule after the main meal per its page. Iron is absorbed better away from coffee and food per the absorption study, and it increases stomach effects, and there is no study on the product. Get a test first, and ask your doctor if you take medicines, are pregnant or tiredness persists.

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