Reta3
- One vegan capsule a day, 30-day supply
- Seven ingredients, every amount declared separately
- Chromium 40 µg and zinc 15 mg per capsule
- Cellulose HPMC shell, no gelatine
- Open the capsule, stir into water
- 💊 Format: capsules (Reta3, also written “Reta 3”) — vegan HPMC shell
- 📦 Pack: 30 capsules — exactly 30 days
- 🗓️ Daily dose: 1 capsule
- ⚗️ Minerals: chromium 40 µg (100% NRV), zinc 15 mg (150% NRV)
- 🌿 Formula: 7 ingredients, no proprietary blends
- 💷 Price: from £36.65 per pack
What’s inside, and who it’s for.
🌿 Seven ingredients, one capsule: that’s Reta3
Three plant extracts, two amino acids, two trace elements: Reta3 is a capsule food supplement for adults aged 18 and over looking to add to their diet as part of a calorie-conscious routine. Guarana, apple cider vinegar extract and inulin from Jerusalem artichoke make up the plant side, alongside L-glutamine, L-leucine, zinc citrate and chromium picolinate. Reta3 doesn’t replace a varied diet or exercise. It sits alongside them.
No powder, no stirring, no scoop — one capsule a day, no taste, easy to carry.
Every figure below is per daily dose of one capsule.
📊 What’s in a capsule, milligram by milligram
| Ingredient | Per daily dose (1 capsule) | % NRV |
|---|---|---|
| Guarana extract (Paullinia cupana) | 100 mg | – |
| Apple cider vinegar extract | 100 mg | – |
| Inulin powder from Jerusalem artichoke | 100 mg | – |
| L-glutamine | 50 mg | – |
| L-leucine | 50 mg | – |
| Zinc (as citrate) | 15 mg | 150% |
| Chromium (as picolinate) | 40 µg | 100% |
NRV = Nutrient Reference Value. No NRV has been set for plant extracts or amino acids.
- Guarana climbs its way up trees in the Amazon basin, and its seeds naturally contain caffeine.
- Apple cider vinegar extract comes from twice-fermented apple juice and tastes of nothing at all once it’s inside a capsule.
- Inulin is a soluble fibre from the fructan family, drawn from the Jerusalem artichoke tuber.
- There’s more L-glutamine in the human body than any other free amino acid.
- L-leucine is one of the essential branched-chain amino acids — your body can’t make it itself.
- Zinc is present as citrate, chromium as picolinate.
🧪 Full ingredient list: guarana extract (Paullinia cupana), apple cider vinegar extract, inulin powder from Jerusalem artichoke, hydroxypropyl methylcellulose capsule (HPMC), L-glutamine, L-leucine, zinc (citrate), anti-caking agent E470b, chromium (picolinate).
The shell is hydroxypropyl methylcellulose — plant cellulose rather than gelatine. E470b is a magnesium salt of fatty acids and keeps the powder free-flowing.
Timing, amount, and what to do if you can’t swallow capsules.
⏰ Reta3 in your daily routine
Take one capsule a day, swallowed whole, with two large glasses of water — roughly 15 to 30 minutes before lunch or dinner, or with the meal itself. Tied to a meal, it’s much harder to forget. If capsules are awkward to swallow, open one and stir the contents into water.
One capsule a day. No more than that.
Authorised claims, plus what to check before you start.
⚖️ Reta3 is a food supplement — not a medicine, and not retatrutide
Reta3 contains no retatrutide. It isn’t an injection, it doesn’t replace a prescribed course of treatment, and it sits in a completely different category from a prescription-only medicine. If you’re considering weight-loss medication, that’s a conversation to have with your GP.
For the two trace elements in Reta3, these claims are authorised:
- Chromium contributes to normal macronutrient metabolism.
- Chromium contributes to the maintenance of normal blood glucose levels.
- Zinc contributes to normal macronutrient metabolism.
There are no authorised health claims for guarana, apple cider vinegar extract, inulin, L-glutamine or L-leucine, so they’re described here rather than linked to any effect. You’ll find where the evidence stands for each one on our studies page.
Speak to your GP or pharmacist before taking Reta3 if you:
- take blood-glucose-lowering medication — insulin, sulfonylureas or metformin: chromium picolinate may affect your blood glucose control
- take tetracyclines or quinolones — zinc can reduce the absorption of these antibiotics, so leave a gap between doses
- are sensitive to caffeine, or live with high blood pressure, a heart rhythm disorder, an overactive thyroid or an anxiety disorder — there’s caffeine in the guarana
- are pregnant or breastfeeding — Reta3 isn’t intended for this group, and the caffeine is one reason among several
- take other zinc-containing products — 15 mg is 150% NRV, and it adds up quickly across several products
Inulin can cause bloating if your gut is on the sensitive side. Not for anyone under 18.
Delivery is free on two packs or more.
🛒 Three packs to choose from
Reta3 comes in three sizes, and the price per pack drops the more you buy.
| Pack | Supply | Price per pack | Delivery |
|---|---|---|---|
| 1 pack | 30 days | £55.00 | £4.95 |
| 2 packs | 60 days | £41.48 | free |
| 3 packs Best value | 90 days | £36.65 | free |
Pay by Klarna, PayPal, Google Pay, Apple Pay or card (Visa, Mastercard, Amex). Choose your pack and check out.
❓ Short questions, short answers
No. Reta3 is a food supplement containing plant extracts, two amino acids, zinc and chromium. Retatrutide is a pharmaceutical drug, and there’s none of it in Reta3.
⏰ When’s the best time to take it?15 to 30 minutes before lunch or dinner, or with the meal, and with two large glasses of water.
🌱 Is Reta3 vegan?Yes. The shell is hydroxypropyl methylcellulose, a cellulose derivative. There’s no gelatine in it.
📅 How long does one pack last?30 capsules at one a day: exactly 30 days.
💧 Can I open the capsule?Yes. Stir the contents into a glass of water and drink it.
🩺 I’m on medication or have a health condition — what then?Check with your GP or pharmacist first. The specifics on blood-glucose medication, antibiotics, caffeine and zinc are further up the page.
Three things you can look up for yourself.
🔍 What you can check on the label
ℹ️ Please note: Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the stated recommended daily dose. Store out of the reach of young children. Keep in a cool, dry place.
