Two separate products
One RETA PRO pen containing Retatrutide 40mg in 2.4ml of solution. One MOTS-C PRO pen containing MOTS-C 20mg in 3ml of solution.
The Avion Science collection
RETA PRO 40mg + MOTS-C PRO 20mg.
Two separately sealed prefilled research pens, each with its own complete kit.
£180 Limited-time package offer
Save £45 against the individual offer prices (£225).
Explore the £180 package →No package code required · Free tracked Great Britain delivery


The complete presentation
One RETA PRO pen containing Retatrutide 40mg in 2.4ml of solution. One MOTS-C PRO pen containing MOTS-C 20mg in 3ml of solution.
Each signature collection box includes 10 individually sealed disposable needles, 10 individually sealed pre-injection swabs, and an authenticity verification card.
Each card carries a unique verification number, batch and serial numbers. Manufacturer information and available batch reports can be reviewed through the shop.
The package is a commercial grouping of separate research products. It does not establish suitability for combined use. No administration guidance is provided.
The full collection
Regular prices are shown alongside limited-time launch offers. Claim your personal code in the shop to access individual pen offer prices.
Claim your personal offer code →
Avion Science
£110 £80
Limited-time launch offer · Save £30
Personal code required at checkout.

Avion Science
£160 £130
Limited-time launch offer · Save £30
Personal code required at checkout.

Avion Science
£90 £70
Limited-time launch offer · Save £20
Personal code required at checkout.

Avion Science
£150 £110
Limited-time launch offer · Save £40
Personal code required at checkout.

Avion Science
£195 £145
Limited-time launch offer · Save £50
Personal code required at checkout.

Avion Science
£170 £125
Limited-time launch offer · Save £45
Personal code required at checkout.

Avion Science
£195 £145
Limited-time launch offer · Save £50
Personal code required at checkout.

Avion Science
£150 £110
Limited-time launch offer · Save £40
Personal code required at checkout.

Avion Science
£120 £80
Limited-time launch offer · Save £40
Personal code required at checkout.

Avion Science
£180 £140
Limited-time launch offer · Save £40
Personal code required at checkout.
Prices and availability are confirmed in the shop before payment. Package offers cannot be combined with additional discounts.
Before you order
Two separate complete kits: RETA PRO 40mg and MOTS-C PRO 20mg. Each has one pen, 10 individually sealed needles, 10 individually sealed swabs and an authenticity verification card.
Monday–Friday dispatch, with orders placed before midday scheduled for same-day dispatch on operating days. Royal Mail Tracked 48 aims for two to three working days after dispatch. Your postcode-specific estimate is shown at checkout; delivery dates are not guaranteed. Great Britain only, excluding Northern Ireland, the Channel Islands and Isle of Man.
Refrigerate at 2–8°C on receipt. Protect from light and do not freeze.
Checkout takes place at avionshop.co.uk through Argent. GBP order totals are fixed; cards are charged in USD. The exact USD charge is shown before payment. Your bank may apply conversion or foreign-transaction fees. We add no payment surcharge. Apple Pay and Google Pay availability depends on your device and browser.
Contact support promptly with your order reference and photographs. See the shop’s Returns Policy for the full process and your statutory rights.