Halcyon Core Labs

Halcyon Core Labs

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Laboratory-grade peptides, injectables and orals. Third-party tested. Tracked and discreet worldwide shipping.

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118+ 5-Star Reviews12,400+ Orders Shipped92% Repeat Customers
Third-Party Tested
Tracked Shipping
Discreet Packaging
24h Support

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Featured Stacks

Hand-picked combos for popular research protocols.

Save $30 (15%)
GLP-1 Fat-Loss

GLP-1 Starter Stack

Semaglutide + Cagrilintide — full 10-week starter protocol.

  • SM10 Semaglutide · 10mg × 10 vials
    $90
  • CGL5 Cagrilintide · 5mg × 10 vials
    $110
$200.00
$170.00
Save $34 (15%)
Healing & Recovery

Healing & Recovery Stack

BPC-157 + TB-500 + GHK-Cu for full-body repair.

  • BC10 BPC-157 · 10mg × 10 vials
    $75
  • BT5 TB-500 (TB4) · 5mg × 10 vials
    $90
  • CU100 GHK-Cu · 100mg × 10 vials
    $60
$225.00
$191.25
Save $25 (12%)
Recomp

Recomp Performance Stack

CJC/Ipa blend + MK-677 + IGF-1 LR3 — body composition trio.

  • CP10 CJC-1295 no DAC + Ipamorelin · 10mg × 10 vials
    $120
  • M6 MK-677 (Ibutamoren) · 10mg × 100 tablets
    $45
  • IG01 IGF-1 LR3 · 0.1mg × 10 vials
    $45
$210.00
$184.80
Save $38 (12%)
Anti-Aging

Longevity & Anti-Aging Stack

Epithalon + NAD+ + Thymalin — daily-protocol longevity kit.

  • ET40 Epithalon · 40mg × 10 vials
    $160
  • NJ500 NAD+ · 500mg × 10 vials
    $80
  • TY10 Thymalin · 10mg × 10 vials
    $80
$320.00
$281.60
Save $98 (15%)
Lean Bulk

Lean Bulk Oil Stack

Test E + Deca + EQ — classic 12-week lean mass cycle.

  • E250 Test Enanthate · 250mg / 10ml
    $160
  • N300 Deca (ND) · 300mg / 10ml
    $260
  • U300 Boldenone Undecylenate (EQ) · 300mg / 10ml
    $230
$650.00
$552.50
Save $111 (15%)
Cutting

Shredded Summer Stack

Test P + Tren A + Mast P — dry, hard, conditioned finish.

  • P100 Test Propionate · 100mg / 10ml
    $130
  • R100 Tren A · 100mg / 10ml
    $230
  • D100 Mast P (DP) · 100mg / 10ml
    $380
$740.00
$629.00
Save $17 (12%)
Post-Cycle

PCT Recovery Kit

Nolvadex + Clomid + Enclomiphene — full post-cycle protocol.

  • T20 Tamoxifen (Nolvadex) · 20mg × 100 tablets
    $30
  • CD50 Clomid · 50mg × 100 tablets
    $30
  • EC25 Enclomiphene · 25mg × 100 tablets
    $85
$145.00
$127.60
Save $38 (15%)
GH Longevity

HGH + Peptide Longevity Stack

HGH + CJC/Ipa + MK-677 — 24/7 GH pulse support.

  • H15 HGH 191AA (Somatropin) · 15iu × 10 vials
    $90
  • CP10 CJC-1295 no DAC + Ipamorelin · 10mg × 10 vials
    $120
  • M6 MK-677 (Ibutamoren) · 10mg × 100 tablets
    $45
$255.00
$216.75
Save $21 (15%)
Performance

Bedroom Performance Pack

Viagra + Cialis + PT-141 — full-spectrum performance kit.

  • SD100 Sildenafil (Viagra) · 100mg × 100 tablets
    $30
  • DT20 Tadalafil (Cialis) · 20mg × 100 tablets
    $30
  • P41 PT-141 · 10mg × 10 vials
    $80
$140.00
$119.00
Save $33 (15%)
First Cycle

Beginner First-Cycle Stack

Test E + Arimidex + PCT — everything a first cycle needs.

  • E250 Test Enanthate · 250mg / 10ml
    $160
  • DEX1 Arimidex · 1mg × 100 tablets
    $30
  • CD50 Clomid · 50mg × 100 tablets
    $30
$220.00
$187.00
Save $29 (12%)
Skin & Glow

Skin, Hair & Glow Stack

GHK-Cu + Glutathione + MT-2 — skin, hair and tan trio.

  • CU100 GHK-Cu · 100mg × 10 vials
    $60
  • GTT Glutathione · 1500mg × 10 vials
    $120
  • ML10 MT-2 (Melanotan 2) · 10mg × 10 vials
    $60
$240.00
$211.20

What Researchers Say

4.98 average from 118 verified reviews

Order took almost a month and I had to chase support repeatedly. MOTS-C finally arrived but I won't be reordering.

Meagan B. · Portland, OR

Great communication throughout. Payment confirmed in 3 confirmations, order shipped the next day. GHK-Cu works as expected.

Eric N. · Sydney, AU

Solid product and Anavar 25mg works well. Took a couple extra days to ship but tracking was accurate the whole way. Would order again.

Owen O. · Oslo, NO