Food supplement · 1 capsule a day

GLP3-B: what’s really in the capsule? Berberine, zinc and chromium – chromium contributes to normal macronutrient metabolism

GLP3-B sounds like a weight-loss drug, but it’s a food supplement. One capsule a day gives you 100 mg berberine, 14 mg zinc and 40 µg chromium, plus guarana, inulin, L-glutamine and L-leucine – all seven with exact amounts.

  • One capsule a day: with two large glasses of water, before or with lunch or dinner.
  • 7 ingredients, all with amounts: berberine, guarana, inulin, L-glutamine, L-leucine, zinc, chromium.
  • No GLP-1 medicine: the name hints at weight-loss injections, but it contains no medicinal ingredient.
Secure checkoutExpress checkout
✓ Free UK delivery from 2 packs✓ One-off purchase, no subscription
1capsule a day
100 mgberberine
140 %NRV zinc
£1.22a day in the 90-day pack
Contents
  1. What is GLP3-B?
  2. Ingredients
  3. Experiences
  4. How to take it
  5. Price & packages
  6. Amazon or pharmacy?
  7. Ordering & returns
  8. Side effects
  9. Legit or scam?
  10. FAQ

What is GLP3-B and who is it for?

GLP3-B is a capsule supplement for adults who want chromium and zinc combined with berberine in one daily step. One pack holds 30 capsules and lasts 30 days.

The name plays on GLP-1, the mechanism behind well-known weight-loss injections. GLP3-B contains no such ingredient and is not a medicine. It comes from the same seller as PB-Sin 18 – the formula is almost identical, just with berberine instead of apple cider vinegar and 14 instead of 15 mg zinc.

One step a dayA single capsule with lunch or dinner.
Two minerals well covered40 µg chromium (100 % NRV) and 14 mg zinc (140 % NRV).
Clear labelAll seven ingredients are listed with amounts.
Known sellerVitahealth Ltd from Malta, which also sells PB-Sin 18 and N7-Neo.
A good fit if you …… want chromium and zinc in one capsule a day
… are specifically looking for a product with berberine
Not for you if you …… take medication, especially for blood sugar (berberine can interact – ask your doctor first)
… are pregnant, breastfeeding or under 18

GLP3-B ingredients

Per daily serving (1 capsule)Amount% NRV*
Berberine HCl (Berberis aristata)100 mg**
Guarana extract (Paullinia cupana)100 mg**
Inulin (from Jerusalem artichoke)100 mg**
L-glutamine50 mg**
L-leucine50 mg**
Zinc (citrate)14 mg140 %
Chromium (picolinate)40 µg100 %

*NRV = nutrient reference value. ** No NRV established. Other ingredients: HPMC capsule shell, microcrystalline cellulose, anti-caking agent E470b. Source: product label, as of 2 Nov 2026.

Berberine is a plant compound for which no health claims are authorised in the EU or UK. It can change how some medicines work, including blood-sugar medication. That’s why we don’t state any effect of berberine and recommend talking to your doctor if you take medication.
Berberine HCl:
a yellow plant compound from Indian barberry; it can interact with medicines.
Guarana extract:
seed extract of the Amazonian guarana plant; it contains caffeine, but the amount isn’t stated.
Inulin:
a plant fibre from the tuber of the Jerusalem artichoke.
L-glutamine:
the most common amino acid in the body.
L-leucine:
an essential amino acid found in dairy, meat and legumes.
Zinc:
an essential trace element found in meat, cheese and legumes.
Chromium:
an essential trace element found in whole grains, meat and broccoli.

What chromium and zinc contribute to

  • Chromium contributes to normal macronutrient metabolism.
  • Chromium contributes to the maintenance of normal blood glucose levels.
  • Zinc contributes to normal carbohydrate metabolism and to normal fatty acid metabolism.
  • Zinc contributes to the normal function of the immune system and to the protection of cells from oxidative stress.

More in our guides: Chromium · Zinc.

GLP3-B experiences: what you can realistically expect

What can you really expect from GLP3-B? We checked the full label, the offer and the return terms in the official shop. Here’s what the formula can do, what’s good about it and who it suits best.

✅ What GLP3-B can do

  • With 40 µg chromium per capsule (100 % NRV), GLP3-B contributes to normal macronutrient metabolism and to the maintenance of normal blood glucose levels.
  • With 14 mg zinc (140 % NRV), it contributes to normal carbohydrate metabolism, normal fatty acid metabolism and the normal function of the immune system.
  • Works best alongside a balanced diet and regular exercise.
Dose check: 14 mg zinc is 140 % of the reference value and below the safe upper level of 25 mg a day – if you also take a multivitamin with zinc, add both up. 40 µg chromium covers 100 % NRV. The 100 mg guarana extract contains caffeine; the amount isn’t stated. Berberine, inulin and the two amino acids have no authorised health claims, so we don’t promise any effect from them.

Who it’s for – and who should skip it

  • Good fit: you want a simple capsule with chromium and zinc and don’t take any medication.
  • Skip it if: you take medication (especially for blood sugar), are sensitive to caffeine, pregnant or breastfeeding.

👍 What’s good about GLP3-B

  • All seven ingredients are declared with exact amounts per capsule.
  • Chromium at 100 % and zinc at 140 % NRV in a single capsule.
  • From £1.22 a day in the 90-day pack, free delivery from 2 packs, no subscription.
  • Customer service by email and phone with fixed hours.

📦 Our test order

  • We haven’t placed a test order for GLP3-B yet – we’ll check delivery and packaging in the next update.
  • From the same seller, our test order of PB-Sin 18 (placed in Germany) arrived complete after 4 working days.

Single observations from our own order and service contact – not a guarantee for every order.

How to take GLP3-B

  1. 1Take one capsule a day.
  2. 2Swallow it whole with two large glasses of water, about 15–30 minutes before or with a meal – ideally lunch or dinner.
  3. 3If you can’t swallow capsules, the seller says you may open the capsule and drink the contents mixed with water.
  4. 4Don’t take more than one capsule a day.
Tip: Because of the guarana, GLP3-B is best taken at lunch. Missed a day? Just carry on the next day – never take two at once.

GLP3-B price & packages

1 pack30 capsules · 30 days · +£4.95 delivery£54.95–£59.95£1.83–£2.00 per day
2 packs60 capsules · 60 days · free delivery£79.90–£82.95£1.33–£1.38 per day
Best price per day3 packs90 capsules · 90 days · free delivery£109.95£1.22 per day

Totals including delivery, UK checkout on 2 Nov 2026. The shop is testing two price versions for 1 and 2 packs, so you’ll see one of the two prices shown. All packs are one-off purchases. Prices in the official shop, as of 2 Nov 2026. They can change; the price at checkout applies.

To the official shop

GLP3-B on Amazon or in the pharmacy?

GLP3-B is sold only in the official online shop. You won’t find it on Amazon or in pharmacies. Offers elsewhere don’t come from the seller and aren’t covered by the money-back guarantee.

Ordering, delivery and returns

  • Choose 1, 2 or 3 packs in the official UK shop; payment options are shown at the encrypted checkout.
  • The seller states fast delivery. 2 and 3 packs ship free within the UK.
  • Guarantee: the shop promises a 60-day money-back guarantee on every pack. Its returns page is stricter: send back sealed, unopened packs in their original packaging within 14 days of receipt. Agree the return with customer service first ([email protected]); return postage isn’t refunded. Ask customer service in writing which terms apply to your order before you send anything back.
  • Seller: Vitahealth Ltd, Gzira, Malta.
GLP3-B customer service
By email ([email protected]) and via the contact form in the official shop.

Side effects and safety

Taken as directed, GLP3-B provides chromium and zinc in everyday amounts. Berberine can interact with medicines, including blood-sugar medication – if you take any medication, talk to your doctor or pharmacist first. The guarana extract contains caffeine.

Not recommended for under-18s, during pregnancy or while breastfeeding. The seller lists dry mouth as a rare side effect. Don’t take more than one capsule a day.

Is GLP3-B legit or a scam?

  • Clear label: all seven ingredients and amounts are published.
  • Named seller: Vitahealth Ltd, Gzira, Malta – the same as for PB-Sin 18.
  • Reachable service: email and contact form in the shop.
  • Not a medicine: GLP3-B is a food supplement – no authorised claim covers weight loss or fat burning.

Compare before you order

GLP3-B FAQ

Is GLP3-B a GLP-1 medicine?

No. GLP3-B is a food supplement with berberine, zinc, chromium, guarana, inulin and two amino acids. It contains no GLP-1 ingredient and doesn’t replace a weight-loss injection.

Where can I buy GLP3-B in the UK?

Only in the official online shop of the seller Vitahealth Ltd from Malta.

Is GLP3-B sold on Amazon, at Boots or Holland & Barrett?

No. You won’t find GLP3-B on Amazon, at Boots, Holland & Barrett or in pharmacies – only in the official online shop.

How do I take GLP3-B?

One capsule a day, swallowed whole with two large glasses of water, 15–30 minutes before or with lunch or dinner.

What does GLP3-B do?

Its chromium contributes to normal macronutrient metabolism, its zinc to normal carbohydrate metabolism. There is no authorised claim for berberine. It works best alongside a balanced diet and regular exercise.

Does GLP3-B have side effects?

The seller lists dry mouth as a rare side effect. Berberine can interact with medicines, and guarana contains caffeine. If you take medication, ask your doctor or pharmacist first.

How much does GLP3-B cost?

£54.95–£59.95 for one pack incl. delivery, £79.90–£82.95 for two and £109.95 for three – from £1.22 a day. The shop is currently testing two price versions.

What’s the difference from PB-Sin 18?

Both come from the same seller. GLP3-B contains 100 mg berberine instead of apple cider vinegar and 14 instead of 15 mg zinc; chromium, guarana, inulin and the amino acids are the same.

Is GLP3-B a subscription?

No. The 30-, 60- and 90-day packs are one-off purchases.

How do I get my money back?

The shop states a 60-day money-back guarantee. Its returns page asks for sealed, unopened packs within 14 days, so contact customer service ([email protected]) first and get the terms for your order in writing.

Ready to try GLP3-B?

One capsule a day with chromium, zinc and berberine, from £1.22 a day – ordered through the official shop. If you take medication, talk to your doctor first.

To the official shop

Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily dose. Keep out of reach of children.

GLP3-BFrom £1.22 per day · 60-day money-back guarantee
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