Ascend
Beyond Limits
Halcyon Core is a research-grade compound house — peptides, injectables and orals prepared under third-party assay. Tracked, discreet, and shipped worldwide.
Shop by category
Three shelves. All third-party assayed, all shipped from one lab.
Featured this week
Best-sellers, hand-picked from the current run.
Tirzepatide
7 sizes available
BPC-157
3 sizes available
Retatrutide
6 sizes available
Test Cypionate
2 sizes available
Anavar
3 sizes available
HGH 191AA (Somatropin)
5 sizes available
BPC-157 + TB-500 Blend
2 sizes available
MK-677 (Ibutamoren)
10mg × 100 tablets
Featured stacks
Hand-picked combinations for popular research protocols.
GLP-1 Starter Stack
Semaglutide + Cagrilintide — full 10-week starter protocol.
- SM101× Semaglutide · 10mg × 10 vials$48
- CGL51× Cagrilintide · 5mg × 10 vials$139
Healing & Recovery Stack
BPC-157 + TB-500 + GHK-Cu for full-body repair.
- BC101× BPC-157 · 10mg × 10 vials$64
- BT51× TB-500 (TB4) · 5mg × 10 vials$80
- CU1001× GHK-Cu · 100mg × 10 vials$54
Recomp Performance Stack
CJC/Ipa blend + MK-677 + IGF-1 LR3 — body composition trio.
- CP101× CJC-1295 no DAC + Ipamorelin · 10mg × 10 vials$111
- M61× MK-677 (Ibutamoren) · 10mg × 100 tablets$44
- IG011× IGF-1 LR3 · 0.1mg × 10 vials$45
Longevity & Anti-Aging Stack
Epithalon + NAD+ + Thymalin — daily-protocol longevity kit.
- ET401× Epithalon · 40mg × 10 vials$160
- NJ5001× NAD+ · 500mg × 10 vials$72
- TY101× Thymalin · 10mg × 10 vials$61
Lean Bulk Oil Stack
Test E + Deca + EQ — classic 12-week lean mass cycle.
- E2501× Test Enanthate · 250mg / 10ml$129
- N3001× Deca (ND) · 300mg / 10ml$286
- U3001× Boldenone Undecylenate (EQ) · 300mg / 10ml$200
Shredded Summer Stack
Test P + Tren A + Mast P — dry, hard, conditioned finish.
- P1001× Test Propionate · 100mg / 10ml$114
- R1001× Tren A · 100mg / 10ml$229
- D1001× Mast P (DP) · 100mg / 10ml$257
PCT Recovery Kit
Nolvadex + Clomid + Enclomiphene — full post-cycle protocol.
- T201× Tamoxifen (Nolvadex) · 20mg × 100 tablets$19
- CD501× Clomid · 50mg × 100 tablets$24
- EC251× Enclomiphene · 25mg × 100 tablets$86
HGH + Peptide Longevity Stack
HGH + CJC/Ipa + MK-677 — 24/7 GH pulse support.
- H151× HGH 191AA (Somatropin) · 15iu × 10 vials$75
- CP101× CJC-1295 no DAC + Ipamorelin · 10mg × 10 vials$111
- M61× MK-677 (Ibutamoren) · 10mg × 100 tablets$44
Bedroom Performance Pack
Viagra + Cialis + PT-141 — full-spectrum performance kit.
- SD1001× Sildenafil (Viagra) · 100mg × 100 tablets$20
- DT201× Tadalafil (Cialis) · 20mg × 100 tablets$17
- P411× PT-141 · 10mg × 10 vials$68
Beginner First-Cycle Stack
Test E + Arimidex + PCT — everything a first cycle needs.
- E2501× Test Enanthate · 250mg / 10ml$129
- DEX11× Arimidex · 1mg × 100 tablets$17
- CD501× Clomid · 50mg × 100 tablets$24
Skin, Hair & Glow Stack
GHK-Cu + Glutathione + MT-2 — skin, hair and tan trio.
- CU1001× GHK-Cu · 100mg × 10 vials$54
- GTT1× Glutathione · 1500mg × 10 vials$97
- ML101× MT-2 (Melanotan 2) · 10mg × 10 vials$49
What researchers say
4.98 average across 118 verified reviews.
Winstrol 50 is dosed properly and effects are noticeable. Shipping was slightly slower than the estimate but everything arrived intact.
Discreet packaging, no issues at customs. Bitcoin payment was smooth. Been using BPC-157 for months without any issues.
Third order from Halcyon and every single one has landed on time. HGH 10iu is legit — bloods came back exactly where they should.