Pinfold Skin Clinic
GLP3-B

GLP3-B

★★★★☆ 4.8/5 (8 reviews)
Price : 36.65 £
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Clinic Overview of GLP3-B

GLP3-B is a food supplement for weight management and metabolic balance. It comes as a vegan capsule made from HPMC, a plant-based material, so it contains no gelatin or animal ingredients. The formula is designed to sit alongside a balanced diet and regular physical activity. It is not a replacement for either.

Each daily capsule combines seven active ingredients: berberine HCl (100 mg), guarana extract (100 mg), Jerusalem artichoke inulin (100 mg), L-glutamine (50 mg), L-leucine (50 mg), zinc as citrate (14 mg) and chromium as picolinate (40 mcg). Zinc is provided at 140% of the nutrient reference value, and chromium at 100%. The manufacturer describes the product as a natural formula free from unnecessary additives. The manufacturer's name is not disclosed in the product data.

The formula has a clear logic. Berberine, chromium and zinc relate to blood sugar and glucose metabolism. Inulin and berberine are linked to gut comfort and the feeling of fullness. Guarana supplies natural caffeine for energy. L-leucine and L-glutamine support lean muscle while you pay attention to your calorie intake.

GLP3-B is intended for adults who want a simple daily routine to support their healthy lifestyle. You take one capsule per day, shortly before or during lunch or dinner, with plenty of water. It is not suitable for everyone, and the sections below set out who should avoid it or speak to a doctor first.

Formulation Breakdown of GLP3-B

IngredientDosageRole
Berberine HCl powder (Berberis aristata DC.)100 mg per daily capsulePlant alkaloid traditionally extracted from barberry; supports healthy glucose metabolism and insulin sensitivity, lipid and cholesterol balance, and cellular energy metabolism; helps limit sugar cravings; supports balanced gut flora
Guarana extract (Paullinia cupana)100 mg per daily capsuleNatural source of caffeine and plant polyphenols; supports energy, alertness and concentration, reduces the feeling of tiredness, and supports thermogenesis during an active lifestyle
Jerusalem artichoke inulin powder100 mg per daily capsulePrebiotic soluble fibre that feeds beneficial gut bacteria; supports digestive comfort, regular transit, fullness and a healthy blood sugar response after meals
L-Glutamine50 mg per daily capsuleConditionally essential amino acid; supports the intestinal lining, muscle recovery and protein metabolism, and helps limit snacking urges
L-Leucine50 mg per daily capsuleBranched-chain amino acid; supports lean muscle mass during weight management, muscle protein synthesis and recovery, and glucose uptake in muscle
Zinc (as citrate)14 mg (140% NRV) per daily capsuleEssential trace mineral; contributes to normal macronutrient and carbohydrate metabolism, normal protein synthesis, normal cognitive function, protection of cells from oxidative stress and normal immune function
Chromium (as picolinate)40 mcg (100% NRV) per daily capsuleEssential trace mineral; contributes to the maintenance of normal blood glucose levels and to normal macronutrient metabolism; helps limit sugar cravings
Vegetable capsule (HPMC)Capsule shellPlant-based (vegan) capsule shell, free from gelatin and animal ingredients
Microcrystalline celluloseNot disclosedBulking agent that ensures even filling of the capsules
Magnesium salts of fatty acids (E470b)Not disclosedAnti-caking agent that keeps the powder free-flowing during production

What Patients Hope to Gain

The first thing to say is that GLP3-B supports weight management as part of a balanced diet and regular activity. It is a supporting product. The formula combines several ingredients that relate to appetite, energy and metabolism, but the foundation remains how you eat and move.

Blood sugar is a central theme. Chromium contributes to the maintenance of normal blood glucose levels, and both chromium and zinc contribute to normal macronutrient metabolism. Zinc also contributes to normal carbohydrate metabolism. Berberine, the plant alkaloid in the formula, is associated with healthy glucose metabolism and insulin sensitivity, and with a healthy blood sugar response after meals.

Appetite and cravings are the second theme. Inulin is a prebiotic fibre that supports the feeling of fullness and appetite control. Chromium, berberine and L-glutamine are linked to limiting sugar cravings and snacking urges. For many people this is the practical difficulty of a calorie-aware diet, so it is a useful area of support.

The gut is also covered. Jerusalem artichoke inulin feeds beneficial bacteria such as bifidobacteria, and berberine supports a balanced gut flora. L-glutamine supports the integrity of the intestinal lining. Together they aim at digestive comfort and regular transit.

Finally, the formula supports energy and muscle. Guarana is a natural source of caffeine and polyphenols, and it supports alertness, concentration and a reduced feeling of tiredness. L-leucine and L-glutamine support lean muscle maintenance and recovery while you manage your weight. Zinc adds protection of cells from oxidative stress and normal immune function. Results vary from person to person.

Side Effects and Tolerability

According to the manufacturer, GLP3-B is generally well tolerated, although individual sensitivities exist and results may vary. Dry mouth has been reported in rare cases, affecting up to 1 user in 1,000. Occasional headache or dizziness is possible, as are rare allergic reactions to any ingredient.

The digestive system is where most people notice change. Berberine and inulin can cause mild discomfort, nausea, bloating, flatulence, diarrhoea or constipation, especially in the first days of use. Taking the capsule with food and two large glasses of water usually helps.

Guarana is a natural stimulant and a source of caffeine. Sensitive individuals may feel nervous, restless or have palpitations, or find it harder to fall asleep, particularly when other caffeine sources are involved. Berberine and chromium may lower blood sugar, so people on antidiabetic treatment may feel dizzy or weak. The manufacturer states there is no effect on the contraceptive pill or blood pressure, and no effect on driving or using machines.

Who Should Seek Advice First

GLP3-B is reserved for adults. It should not be used by pregnant or breastfeeding women, or by anyone under 18. It should also be avoided by anyone with a known allergy or hypersensitivity to any listed ingredient.

Speak to a doctor before use if you have diabetes or take antidiabetic medication or insulin, because of the risk of hypoglycaemia. Medical advice is also needed if you take anticoagulants, antiplatelet drugs, immunosuppressants, antidepressants or other medication metabolised by the liver, because of berberine and guarana.

People sensitive to caffeine should avoid combining the product with coffee, energy drinks or other caffeinated supplements. Guarana is not advised for people with heart conditions, arrhythmia, anxiety or sleep disorders. Liver or kidney disorders call for medical advice, and people with irritable bowel syndrome or intolerance to fermentable fibres should be cautious with inulin. In any case of pre-existing condition or ongoing treatment, consult a healthcare professional first.

How It Is Made and Quality Standards

The manufacturer of GLP3-B is not disclosed in the product information we hold, so we cannot name a producer or a country of origin. We would rather say so plainly than guess. What we can say is what the formulation itself states.

The capsule shell is made from HPMC, a plant-based material, so the product is vegan. The only technical ingredients listed are microcrystalline cellulose, used as a carrier for even filling, and magnesium salts of fatty acids (E470b), an anti-caking agent that keeps the powder free-flowing. The manufacturer describes the formula as natural and free from unnecessary additives.

As with any food supplement, good practice includes accurate labelling, clear dosing and storage in a cool, dry place away from light. We do not cite any certification that is not documented. If a specific standard matters to you, ask the seller for written confirmation before you buy.

Questions From Our Patients

Take one capsule per day, without chewing it, with two large glasses of water. Take it about 15 to 30 minutes before a meal, or directly during lunch or dinner. If you cannot swallow capsules, you can open the capsule, mix the contents with water and drink it. Do not exceed the recommended daily dose, and avoid taking it late in the day because of the guarana.

There is no fixed timeline, and results vary from person to person. The product is meant to support a balanced diet and regular physical activity, so progress depends heavily on those habits. A regular daily routine is the best approach. Some people notice changes in appetite or digestion earlier than changes on the scales.

The manufacturer describes it as generally well tolerated when used as directed. Mild digestive discomfort is the most likely effect, especially at the start. It contains guarana, a source of caffeine, and berberine and chromium may lower blood sugar. It is not for pregnant or breastfeeding women, people under 18, or people with diabetes or on medication unless a doctor agrees.

Store the capsules in a cool, dry place away from light and out of reach of young children. As the dose is one capsule per day, one capsule covers one day of use. The number of capsules per box depends on the pack you choose, so check the pack size on the official site. Always follow the date printed on the packaging.

We advise against it. Marketplaces such as Amazon carry a real risk of counterfeit or poorly stored products, and the contents cannot be guaranteed. To be sure you receive the genuine product, order only through the official website.

No. GLP3-B is not sold in pharmacies. It is available only through the official website, which is the safest way to get an authentic product.

4.8/5
★★★★☆
8 reviews
Claire 05/14/2026
★★★★★

I take one capsule before lunch and the afternoon snacking has eased noticeably. Easy to swallow and no fuss.

Helen 05/29/2026
★★★★★

Pleased that the capsule is vegan. I felt a little bloated in the first week, but it settled. Now part of my routine.

James 06/11/2026
★★★★☆

Steady energy through the afternoon without a jittery feeling. I just make sure I skip the extra coffee now.

Sophie 06/23/2026
★★★★★

Fewer sugar cravings after dinner, which was my biggest struggle. I combine it with walking every day.

Mark 07/08/2026
★★★★★

Simple once-a-day routine. I like that the ingredients and doses are clearly listed, including the zinc and chromium.

Emma 07/21/2026
★★★★☆

Mild stomach rumbling at first, then fine. I feel fuller at meals and eat smaller portions without thinking about it.

Rachel 08/04/2026
★★★★★

Delivery was quick and the packaging was discreet. I take it with two big glasses of water as advised and feel fine.

Andrew 08/19/2026
★★★★★

Good support alongside my gym sessions. I appreciate the leucine and glutamine in the mix for recovery.

GLP3-B 36.65 £
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