Free shipping on orders over $300

New · Ready-to-use pens

Ready to use. Safe. Simple.

Pre-dosed disposable injection pens — no reconstitution, no mixing, no guesswork. Auto-retracting needle, single-use, and pharmacy-grade sterile. Start your protocol in seconds, not hours.

≥ 99% Purity

HPLC verified

COA on every batch

ISO-17025 labs

Same-day dispatch

Order by 3PM EST

Secure checkout

Discreet packaging

Best sellers

What customers are ordering.

Independently ranked by verified purchases in the last 30 days.

TB4 (TB-500)

Recovery

TB4 (TB-500)

"Healing Accelerator"

$110
Retatrutide ≥ 99%%

Weight Management

Retatrutide

"Triple G"

$90
5-Amino-1MQ

Weight Management

5-Amino-1MQ

"Metabolic Health Support"

$120
KPV

Skin & Hair

KPV

"GUT Health Support"

$70
Third-party lab testing

Latest batch report

BPC-157 · Batch B-2604

99.4%

Quality

Third-party tested.

Every peptide we ship has been independently verified for identity, purity, and endotoxin content by ISO-17025 accredited laboratories. No exceptions, no shortcuts.

  • HPLC and mass spectrometry on every batch
  • Endotoxin (LAL) testing under 0.5 EU/mg
  • Sealed vials with tamper-evident aluminum crimps

Curated stacks

Protocols, ready to use!

Pre-dosed disposable pens for our most-loved combinations. No mixing, no measuring — just open and go.

Built for customers

Precision chemistry.
Zero compromise.

From solid-phase synthesis through lyophilization, every step is documented, batch-numbered, and cold-chain preserved. Because your data is only as good as your reagent.

99.4%

Avg. HPLC purity

48hr

Batch turnaround

ISO

17025 partner labs

24/7

Cold-chain tracking

A trusted source of peptides

What our customers say.

" Six weeks on the recovery stack and my shoulder finally feels normal again. Shipping was fast and the vials arrived perfectly cold-packed. "

Marcus T.

Verified customer · Recovery Stack

" Down 14 lbs in two months and my energy is better than ever. The dosing guide made getting started genuinely easy. "

Jenna R.

Verified customer · Semaglutide

" Sleep, skin, mood — everything improved. I've tried a lot of brands and BioStacks is the first one I actually trust. "

David L.

Verified customer · GHK-Cu

FAQ

Answers, before you ask.

Yes — every batch is independently tested by ISO-17025 accredited labs for identity, purity (HPLC), and endotoxins. A signed Certificate of Analysis is available on every product page and included with your order.

Orders placed before 3PM EST ship the same business day. Domestic orders arrive in 2–4 business days with tracked, discreet packaging. Free shipping over $200.

Lyophilized peptides are stable at ambient temperatures for up to 30 days.
The injectable pens ship in a cold insulated package.

No. We only ship within Canada at this time.

If a product fails purity spec, we replace it at no cost — no questions asked.
If your order arrives damaged, please contact us at info@biostacks.ca and a replacement will be arranged.

Yes. All BioStacks products are strictly for laboratory research and are not intended for human or veterinary use.

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