STAGING PREVIEW. Actives and doses are real. Batch numbers and lab figures are placeholder until the real reports land.
Fat Loss

Peak Burn

Triple-pathway fat loss

$299AUD · 30-day pen · $9.97 a day
Appetite reduction is commonly felt within the first week.
Add to cart
Free express shipping30-day guaranteeDispatched from AU

What's actually in this pen

Every active named. Every dose stated. Nothing behind a blend.

1Declared active
ActivePer dayPer pen
RetatrutideTriple receptor agonistAn investigational triple agonist acting at the GLP-1, GIP and glucagon receptors. Studied in metabolic research. 21.1 mgper day6mg - 32mgper pen

Also contains mannitol as a bulking agent and a sodium acetate buffer. Supplied lyophilised — reconstitute with the bacteriostatic water included in the kit.

This batch, tested

The batch number on the certificate matches the number printed on your pen.

99.1%Purity, HPLC
9Parameters tested
156Batch BU-2608-156
17025ISO/IEC accredited lab
Chromatogram · RP-HPLC, 214 nmAnalysed 14 Jul 2026
02505007501000 Retatrutide RT 14.60 · 99.3%05101520 Retention time (minutes)
Full assay results
TestMethodSpecificationResult
Retatrutide contentRP-HPLC6mg - 32mg633.6 mg Pass
PurityRP-HPLC 214 nm≥ 98.0 %99.1 % Pass
IdentityESI-MSConformsConforms Pass
Bacterial endotoxinLAL kinetic< 0.20 EU/mg< 0.05 EU/mg Pass
Water contentKarl Fischer≤ 8.0 %3.1 % Pass
Heavy metalsICP-MSWithin limitsConforms Pass
Microbial limitsPlate count< 100 CFU/g< 10 CFU/g Pass
Read the full certificate of analysisPublished, not on request

What each active is

Plain descriptions of the compounds and what they've been studied for. No claims about treating or curing anything.

6mg - 32mg

Retatrutide

Triple receptor agonist

An investigational triple agonist acting at the GLP-1, GIP and glucagon receptors. Studied in metabolic research.

How to use it

Once-weekly titrated pen for fat loss and appetite control. Dose steps up month by month.

Month 1 pen6 mg total
Month 2 pen18 mg total
Month 3+ pen32 mg total
Reconstituted volume2.0 mL
Total clicks per pen200 clicks
Weekly schedule1 mg → 8 mg

Benefits

  • Suppress appetite & accelerate fat loss with triple-pathway action
  • Reduces appetite naturally
  • Increases metabolic rate
  • Preserves lean muscle mass
  • Improves insulin sensitivity
  • Sustained energy throughout the day

Who it's for

For anyone struggling with cravings, appetite control or fat-loss plateaus.

In the kit

  • 30-day peptide pen
  • Bacteriostatic water
  • Sterile needle tips
  • Detailed usage guide
  • Express shipping Australia-wide