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.
Purity
99.4%
HPLC verified · Batch #B-2604
≥ 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.
Browse by category
Find your protocol.
Curated by outcome. All third-party tested, cold-chain shipped, and COA-verified.
Weight Management
Metabolic support & appetite regulation
Skin & Hair
Collagen, glow & hair density
Recovery
Soft-tissue repair & joint support
Sexual Health
Libido, vitality & performance
Longevity
Cellular health & healthy aging
Cognitive
Focus, memory & mood
Latest batch report
BPC-157 · Batch B-2604
Quality
Third-party tested.
COA on every batch.
Every peptide we ship has been independently verified for identity, purity, and endotoxin content by ISO-17025 accredited laboratories. No exceptions, no shortcuts.
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HPLC and mass spectrometry on every batch
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Endotoxin (LAL) testing under 0.5 EU/mg
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Signed COA downloadable on every product page
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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
Trusted worldwide
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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