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If you've had bariatric surgery in the UK — gastric bypass, sleeve, or band — you're likely taking a daily multivitamin.
But how do you know if it's actually covering what your body needs?
This guide explains what to look for in a bariatric multivitamin, based on UK clinical guidelines and long-term post-op care — without the sales fluff.
Most supermarket or pharmacy multivitamins are designed for the general population.
They often contain:
Low levels of key nutrients
Poor absorption forms (like standard iron or synthetic B12)
Fillers, colourants, and non-essential extras
After bariatric surgery, your needs are different.
You absorb less. You store less.
And you risk deficiencies faster — especially in Iron, B12, Vitamin D, and B-complex vitamins.
If you're buying a bariatric multivitamin, check for these critical ingredients:
✔ Iron (at least 30–36mg, in gentle form)
Look for Iron Bisglycinate — better absorbed and less likely to cause nausea
Need to focus on iron? Here’s exactly what to look for →
✔ Vitamin D3 (minimum 3000 IU)
Supports immunity, mood, bone health
✔ Vitamin B12 (at least 500µg)
Oral B12 may replace injections for many patients — must be high-dose and consistent.
Still getting B12 injections? Find out if you actually need them →
✔ Full B-Complex
B1, B2, B6, B9, B7, B5 — all support metabolism, energy, nerve health
✔ Zinc, Copper, Selenium
Often overlooked, but critical for hair, wound healing, and immune support
✔ 200%+ NRVs
Standard RDA-levels won’t cut it post-op. You need elevated doses — consistently.
Confused about why calcium is missing? Read why it's left out — and what to do instead →
Many UK patients are prescribed 4–6 separate tablets daily:
Multivitamin
Iron
Vitamin D
B12
Calcium
Optional top-ups
This can lead to:
Missed doses
Poor compliance
Ongoing deficiencies
A complete capsule — taken once daily — improves consistency and long-term results.
Simplification supports success.
A good bariatric multivitamin should:
Follow UK guidelines for post-op supplementation
Offer real-world strength (not just label claims)
Be easy to swallow, gentle on the stomach
Be transparent with ingredient forms and dosage
Avoid:
“Generic bariatric” labels with under-dosed blends
US-style gummy multis (often sweetened and too low-dose)
Brands that don’t list NRVs or manufacturing location
Bari Enhance was designed to meet long-term post-op needs — not just tick boxes.
Each capsule delivers:
36mg Iron (Bisglycinate)
3000 IU Vitamin D3
500µg B12
Full B-Complex
Zinc, Copper, Selenium
21 nutrients in total, 14 dosed at 200%+ NRV
Made in the UK. Trusted by patients. One capsule a day.
No extras. No guesswork.
Join thousands of UK patients using Bari Enhance to simplify post-op nutrition.