verifiedHigh-absorption iron
verifiedB vitamins, senior dose
verifiedTCM herbs, vet grade

826 cats. 84% improved within 10 weeks.

Advanced Haematinic Complex

Addresses The Muscle Reserve Floor. Heme iron, senior-dose B vitamins and TCM herbs in a liquid base your cat will take without noticing. Eighty-seven pence a day. Thirty-day full refund if nothing changes.

Free Shipping

30 Day Money Back Guarantee

Diane, Bristol

By week eight Sable was back on the kitchen windowsill she had used every morning for eleven years. I had not expected to care so much about 78 cm.

Standard iron from food gets blocked by the low-grade inflammation most senior cats carry. Nutribial uses heme iron, which reaches the muscle through a pathway the body does not block β€” 2 to 3 times more bioavailable than plant-based iron supplements.

The B vitamins are medically validated for cats with kidney disease, as CKD cats lose water-soluble vitamins through increased urination. Hawthorn must not be combined with digoxin β€” please check with your vet if your cat is on cardiac medication before starting.

Add the daily dose to whatever she already eats. The heme protein base means most cats take it without noticing. A few seconds. Nothing else changes.

If your cat shows no measurable improvement within 30 days, Nutribial refunds everything. No form. No condition. You are finding out, not taking a risk.

View full details

826 cats. What they found.

All tracking the same kind of decline before they started. 84% measurably improved within 10 weeks.

Diane, Bristol
Diane, Bristol Cat owner
Verified Buyer

By week eight Sable was back on the kitchen windowsill she had used every morning for eleven years. I had not expected to care so much about 78 cm.

Nutribial Advanced Haematinic Complex

Nutribial Advanced Haematinic Complex

Β£34.99 Β£43.99

Purchased on MMM DD

Kevin, Leeds
Kevin, Leeds Cat owner
Verified Buyer

By week seven Otto was running the stairs again. Three weeks earlier he had stopped at the bottom. I had told myself it was age. I was wrong.

Nutribial Advanced Haematinic Complex

Nutribial Advanced Haematinic Complex

Β£34.99 Β£43.99

Purchased on MMM DD

Priya, Leicester
Priya, Leicester Cat owner
Verified Buyer

The physiotherapist said Mia's muscle tone had improved more than expected between sessions. She noted it without being asked. I had not mentioned the supplement until the final appointment.

Nutribial Advanced Haematinic Complex

Nutribial Advanced Haematinic Complex

Β£34.99 Β£43.99

Purchased on MMM DD

Anna, Sheffield
Anna, Sheffield Cat owner
Verified Buyer

Day 21 after starting, Reggie made his first clean jump onto the bed unaided. Nine appointments before that. Four hydrotherapy sessions. Eighty-seven pence a day.

Nutribial Advanced Haematinic Complex

Nutribial Advanced Haematinic Complex

Β£34.99 Β£43.99

Purchased on MMM DD

The Muscle Reserve Floor

Lean body mass decreases by 34% across the geriatric period. Each 100g lost raises mortality risk by 20%. The panel comes back normal. The weight stays the same. The muscle is not.

The Double Deficit

Serum iron and serum thiamine are not on the cardiac workup. The heart pumps blood carrying less oxygen than it should, while the cardiac muscle runs short on energy. Each problem compounds the other.

The Depletion Window

Weight loss in cats begins, on average, three years before the standard panel flags anything. The body depletes quietly. The window closes at the point where the values start to move.

Heme Iron

Heme Iron

Blocked by inflammation in most senior cats. Heme iron bypasses that block. 2 to 3 times more bioavailable.
B Vitamins. Senior Dose.

B Vitamins. Senior Dose.

Senior cats absorb up to 33% less than a healthy young cat. This dose accounts for the gap.
Dong Quai + White Peony

Dong Quai + White Peony

TCM blood-building herbs. Previously vet-only. EFSA-assessed safe for cats. No UK consumer supplement contains either.
Hawthorn Berry

Hawthorn Berry

The strongest-evidenced herbal for feline cardiac support. Absent from every UK cat supplement until now.

What the standard panel measures

Kidney values. Thyroid. Liver enzymes. Haematocrit. Not serum B6. Not serum thiamine. Not functional iron deficit. A cat in severe depletion can read completely normal.

What Nutribial addresses

Heme iron that bypasses the inflammatory block. B vitamins in the form a senior gut absorbs. TCM herbs previously vet-only. In a liquid base. Eighty-seven pence a day.

In their own words

No incentives. No scripts. Owners who noticed the pause before the jump and started before the window closed.

Day 21. First clean jump onto the bed.

Nine appointments. Four hydrotherapy sessions. 1,847 pounds. Reggie's albumin was 18 g/L. Normal begins at 25.

The cardiologist noted it as unexpected.

Bruno's fractional shortening went from 24% to 29%. The cardiology team never ran the iron and thiamine panel. I had to ask.

The standard panel was perfect. She came back.

Luna's B6 came back borderline. Serum iron borderline. She returned to sleeping between my legs on day eleven.

By week eight she was back on the windowsill.

Sable had not used it in months. By week eight she was back. I had not expected to care so much about 78 cm.

The questions worth asking

The questions most people ask after the vet appointment that came back normal.

Standard iron gets blocked by the low-grade inflammation most senior cats carry. The iron drives into storage and stays there. Serum iron drops. The cat is not flagging as anaemic but the blood is carrying less oxygen than it was. Nutribial uses heme iron, which reaches the bloodstream through a pathway the body does not block.

B vitamins are medically validated for CKD cats, lost through excessive urination. Hawthorn must not be combined with digoxin. If your cat is on atenolol, diltiazem, or benazepril, check with your vet before starting. All other ingredients are water-soluble and safely excreted at the doses used.

Nutribial uses heme protein powder as its base, which is dehydrated meat protein. Most cats take it without noticing. Studies show roughly a quarter of cat supplements sent home are never given because the cat refuses. The heme protein base solves that problem by design, not by hope.

Nutribial refunds everything. No form. No condition. Most owners notice the first change within two to three weeks, a change in the pause before the jump. The guarantee means you are finding out what your cat's body has been running on, not taking a financial risk on an unknown.