Spirulina
The seller connects spirulina with energy and focus, and also with immune-system and cell-protection support.
Reta3 in the UK
Reta3 capsules: ingredients, prices and how to use them
A practical look at the 30-capsule supplement, its six named ingredients and the three UK pack sizes—without repeating the dramatic promises found on a sales page.
30 capsulesVeganUK checkout
Promotion and prices recorded from the official UK checkout on 3 October 2026.
Format30-capsule carton
Best pack price£36.65 per pack
Largest bundle90 days / 3 packs
DeliveryFree with 2 or 3 packs
Product overview
What is Reta3?
Reta3 is a capsule-based food supplement sold through a UK checkout. The carton pictured by the seller contains 30 capsules with a stated net weight of 15 g. Its front label reads “Macronutrient Metabolism” and “3x G-Formula”, while the sales page places it in the weight-management and active-lifestyle category.
The product is offered as a 30-, 60- or 90-day supply. That means one, two or three cartons respectively. Each option has a clearly displayed order total, and the larger bundles reduce the displayed cost per carton. The official page describes the capsules as vegan, gluten-free and GMO-free.
The formula brings together plant ingredients, amino acids and zinc. The seller links those ingredients with everyday energy, metabolism, digestion, immune support and an active routine. This guide separates those product-page descriptions from the practical information a buyer needs: what is named, what the page leaves out, how the packs are priced and where the official checkout sits.
Reta3 is not the same thing as retatrutide or any injectable medicine. It is a boxed food supplement containing capsules. The large “RETA3” name on the carton can make that distinction easy to miss when scanning search results, so the format is worth establishing at the start.
Six named components
Composition
The UK page names the following ingredients but does not publish the amount of each one.Matcha
Matcha appears in the energy-and-focus part of the official product explanation.
L-carnitine
This amino-acid derivative is placed within the product’s energy-metabolism and activity positioning.
L-arginine
The page groups L-arginine with support for energy metabolism and physical activity.
Apple cider vinegar extract
The official copy associates this extract with digestion and a balanced sense of wellbeing.
Zinc
Zinc is named in the section discussing normal immune support and cell protection.
What is missing online?
The accessible UK checkout does not show a full quantitative supplement panel. The carton remains the definitive place to check every ingredient, allergen, amount per serving and the recommended daily dose.
The formula in context
How does it work?
Reta3 is presented as a combined formula rather than a single-ingredient capsule. On the official page, spirulina and matcha sit within the energy-and-focus theme; L-carnitine and L-arginine within energy metabolism and activity; apple cider vinegar extract within digestion and balance; and spirulina plus zinc within immune support and cell protection.
Those roles describe the seller’s rationale for combining the ingredients. The page also talks about metabolism, cravings and fat burning, but it does not show a trial of the finished Reta3 formula or ingredient quantities that would let a reader assess the blend dose by dose.
In day-to-day use, the capsule is intended to sit alongside meals and an active routine. Food choices, total energy intake, sleep and movement still do the heavy lifting in weight management. The useful question is therefore not whether a capsule can replace those habits, but whether this particular blend and price fit an existing plan.
The named components also play different nutritional roles, so the blend should not be reduced to a single “fat burner” label. Matcha is a plant ingredient, spirulina is a nutrient-rich biomass, L-carnitine and L-arginine are amino-acid-related compounds, apple cider vinegar is supplied as an extract, and zinc is an essential mineral. Without the quantity of each component, the list explains the concept of the formula but not its strength.
Daily routine
How to use Reta3
The official FAQ gives one simple instruction: take the recommended dose each day with a meal.Read the carton
Check the serving directions and full ingredient list before the first dose. The public checkout does not state an exact daily capsule count.
Take it with a meal
Use the amount printed on your carton. Keep the timing easy to remember rather than changing the dose from day to day.
Keep the routine realistic
Pair it with regular meals, movement, sleep and hydration. Do not increase the labelled amount to chase faster results.
Before taking it
Precautions
Reta3 is a food supplement, not a medicine. Do not exceed the dose on the carton, and keep it out of reach of children. Read the complete label for allergens and storage instructions.
Ask your GP or pharmacist before use if you take medication, have a health condition, are pregnant or breastfeeding. Stop taking it and seek advice if you experience an unexpected reaction.
Editorial assessment
Reta3 review: strengths and limitations
Our assessment is based on the packaging and current UK sales information, not anonymous testimonials.What works well
- Real 30-capsule carton shown clearly.
- Six ingredients are named on the UK page.
- Vegan, gluten-free and GMO-free positioning.
- Three bundle sizes with order totals shown.
- Free delivery on two- and three-pack orders.
- Lowest displayed pack cost in the 90-day option.
- A 60-day guarantee is advertised for the three-pack offer.
What could be clearer
- No quantitative ingredient panel in the accessible checkout.
- No exact daily capsule count shown online.
- No published trial of the finished Reta3 blend.
- Promotional copy moves between 46% and 47%.
- Guarantee eligibility requires reading the seller’s terms.
- Strong sales claims are not matched by detailed evidence on the page.
The central trade-off is straightforward. Reta3 offers a tidy format and easy-to-compare bundles, but buyers who want exact ingredient amounts before paying will find the online detail thin. The carton should be checked as soon as it arrives, especially where allergies, medication or dietary restrictions matter.
UK prices
Prices and pack sizes
These figures were displayed by the official UK checkout on 3 October 2026. The live order summary is the final reference if the seller changes a promotion.
Starter pack
30 days
1 carton
£55.00per pack
- Order total
- £59.95
- Delivery
- £4.95
- Comparison price
- £79.95
Lowest cost per pack
Best seller
90 days
3 cartons
£36.65per pack
- Order total
- £109.95
- Delivery
- Free
- Displayed promotion
- Save 47%
Two-month bundle
60 days
2 cartons
£41.48per pack
- Order total
- £82.95
- Delivery
- Free
- Displayed saving
- 27%
The three-pack card says “save 46%”, while a prominent purchase button on the same live page says “BUY NOW & SAVE 47%”. We use 47% in our buttons because it is the current purchase promotion displayed by the seller. The price itself—£109.95 total—is the clearest comparison point.
Official route
Where to buy Reta3
Reta3 is sold through its UK brand checkout. That page lists the one-, two- and three-pack options in pounds and describes fast UK dispatch, secure checkout and free delivery on the larger bundles.
Before paying, check the selected quantity, delivery charge, final total and guarantee conditions. Keep the confirmation email in case you need to contact the seller about dispatch or a return.
Common questions
FAQ
Seven quick answers based on the current UK packaging and checkout.What is in Reta3?
The UK page names spirulina, matcha, L-carnitine, L-arginine, apple cider vinegar extract and zinc. Check the carton for exact amounts and the complete ingredient list.
How many capsules are in one pack?
One carton is labelled as containing 30 capsules with a net weight of 15 g.
How should I take Reta3?
The official FAQ says to take the recommended dose daily with a meal. Use the capsule count printed on your carton.
Is Reta3 vegan and gluten-free?
The official page describes it as vegan, gluten-free and GMO-free. Check the full label if you have a strict dietary requirement or allergy.
How much does Reta3 cost in the UK?
At the time checked, totals were £59.95 for one pack including delivery, £82.95 for two packs and £109.95 for three packs.
Does Reta3 have a money-back guarantee?
The three-pack offer advertises a 60-day money-back guarantee. Read the seller’s current return terms and keep proof of purchase.
Is Reta3 a medicine?
No. It is sold as a food supplement in capsule form. It is not retatrutide or an injectable medicine.