Spirulina
The seller connects spirulina with energy and focus, and also with immune-system and cell-protection support.
Reta3 in the UK
A practical look at the 30-capsule supplement, its six named ingredients and the three UK pack sizes, with clear directions and current prices for UK buyers.
Promotion and prices recorded from the official UK checkout on 3 October 2026.
Product overview
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 product page links those ingredients with everyday energy, metabolism, digestion, immune support and an active routine. The sections below make the practical details easy to use: what is named, how to take the capsules, how the cartons are priced and which bundle best matches a 30-, 60- or 90-day routine.
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
The seller connects spirulina with energy and focus, and also with immune-system and cell-protection support.
Matcha appears in the energy-and-focus part of the official product explanation.
This amino-acid derivative is placed within the product’s energy-metabolism and activity positioning.
The page groups L-arginine with support for energy metabolism and physical activity.
The official copy associates this extract with digestion and a balanced sense of wellbeing.
Zinc is named in the section discussing normal immune support and cell protection.
The carton is the quickest place to confirm the complete ingredient list, allergens, amounts per serving and recommended daily dose before starting your routine.
The formula in context
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.
Together, these roles explain the idea behind the blend: ingredients associated on the product page with energy and activity sit alongside components used for digestion, balance and normal nutritional support. The 30-capsule carton keeps that combined formula in a simple once-daily format.
In day-to-day use, Reta3 is designed to fit beside regular meals and an active routine. Consistent food choices, sleep, hydration and movement give the capsule a sensible setting, while the choice of 30-, 60- or 90-day supply lets buyers match the bundle to the routine they want to follow.
The named components play different nutritional roles. 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. Reading the carton alongside this overview gives the fullest picture of the blend and serving directions.

Daily routine
Check the serving directions and full ingredient list before the first dose. The public checkout does not state an exact daily capsule count.
Use the amount printed on your carton. Keep the timing easy to remember rather than changing the dose from day to day.
Pair it with regular meals, movement, sleep and hydration. Do not increase the labelled amount to chase faster results.
Before taking it
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.
Practical assessment
Reta3’s appeal is its tidy capsule format, clearly named ingredients and three easy-to-compare supply lengths. The 30-day option keeps the initial commitment smaller, the 60-day bundle balances total spend and duration, and the 90-day best seller delivers the lowest displayed price per carton with free delivery. Checking the label on arrival completes the practical picture.
For routine planning, one carton corresponds to the product’s 30-capsule format. That makes the bundle choice easy to understand at a glance: start with one carton, cover two months with two cartons, or choose three cartons for the promoted 90-day supply. Keeping the carton, order confirmation and serving directions together also makes day-to-day use and any later guarantee query simpler.
UK prices
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

1 carton · 1 month
£55.00per carton
Two-month bundle

2 cartons · 2 months
£41.48per carton / month
Best seller · 47% off
Lowest carton price

3 cartons · 3 months
£36.65per carton / month
For a quick comparison, look at both the full order total and the monthly carton price. The 30-day option is £59.95 including delivery, the 60-day bundle is £82.95 with free delivery, and the highlighted 90-day best seller is £109.95 with free delivery and the current 47% promotion.
Official route
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
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.
One carton is labelled as containing 30 capsules with a net weight of 15 g.
The official FAQ says to take the recommended dose daily with a meal. Use the capsule count printed on your carton.
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.
At the time checked, totals were £59.95 for one pack including delivery, £82.95 for two packs and £109.95 for three packs.
The three-pack offer advertises a 60-day money-back guarantee. Read the seller’s current return terms and keep proof of purchase.
No. It is sold as a food supplement in capsule form. It is not retatrutide or an injectable medicine.