Ion Peptide: Ion: Up to 50% Off Sitewide — This Weekend

30% off everything at Ion through Monday. Stack code thepeptidecatalog (15%) plus 5% more for paying by ACH — up to 50% off sitewide. Orders over $250 are entered into 20 giveaways: 5x $250 store credit, 5x a 10-pack kit of your choice, 5x Derma New products, 5x five drops of your choice.

Shop Ion Sale →

Ion Peptide Discount Code: 15% Off All Peptides

Save 15% on all Ion Peptide products with this exclusive discount code. Apply this code at checkout.

Verified September 28, 2026

Known for: Best blend variety — KLOW, GLOW, Tesa + Ipamorelin, CJC + Ipamorelin, Wolverine Stack — plus retatrutide (ION-3R) and tirzepatide (ION-2T). Power-user favorite for stack orders.

Decision Snapshot

Ion Peptide

9.2 / 10
Avg effective price
$5.15/mg after 15% off
Across 71 in-stock SKUs
Best discount
15% off with code thepeptidecatalog
Shipping (US)
UPS, FedEx, USPS (auto-selected), ~3 days
Trustpilot
4.7 / 5 — 181 reviews
Lab testing
Third-party tested · HPLC + MS · COA per product
See offers below
Verified September 28, 2026

42 Peptides Available

5-Amino-1MQ research vial
5-Amino-1MQIon Peptide
COA2 sizes

5-Amino-1MQ

15% off with code at checkout
20mg$79.00 $67.15
50mg$115.00 $97.75

Bulk · per vial · code stacks

4+$44.10$37.49−10%
6+$41.16$34.99−16%
10+$36.75$31.24−25%
Adamax research vial
AdamaxIon Peptide
COA

Adamax

15% off with code at checkout7% above market avg
10mg$75.00 $63.75

Bulk · per vial · code stacks

4+$67.50$57.38−10%
6+$63.00$53.55−16%
10+$56.25$47.81−25%
AICAR research vial
AICARIon Peptide
COA

AICAR

15% off with code at checkout
50mg$59.00 $50.15

Bulk · per vial · code stacks

4+$53.10$45.14−10%
6+$49.56$42.13−16%
10+$44.25$37.61−25%
AOD-9604 research vial
AOD-9604Ion Peptide
COA

AOD-9604

15% off with code at checkout
10mg$69.00 $58.65

Bulk · per vial · code stacks

4+$44.10$37.49−10%
6+$41.16$34.99−16%
10+$36.75$31.24−25%
ARA-290 research vial
ARA-290Ion Peptide
COA2 sizes

ARA-290

15% off with code at checkout
10mg$59.00 $50.15
16mg$75.00 $63.75

Bulk · per vial · code stacks

4+$53.10$45.14−10%
6+$49.56$42.13−16%
10+$44.25$37.61−25%
BPC-157 research vial
BPC-157Ion Peptide
COA2 sizes

BPC-157

15% off with code at checkout
10mg$48.00 $40.80
20mg$85.00 $72.25

Bulk · per vial · code stacks

4+$26.10$22.19−10%
6+$24.36$20.71−16%
10+$21.75$18.49−25%
Cagrilintide research vial
CagrilintideIon Peptide
COA2 sizes

Cagrilintide

15% off with code at checkout
5mg$59.00 $50.15
10mg$99.00 $84.15

Bulk · per vial · code stacks

4+$53.10$45.14−10%
6+$49.56$42.13−16%
10+$44.25$37.61−25%
Cartalax research vial
CartalaxIon Peptide
COA

Cartalax

15% off with code at checkout9% above market avg
20mg$79.00 $67.15
CJC-1295 research vial
CJC-1295Ion Peptide
COA

CJC-1295

15% off with code at checkout9% below market avg
10mg$49.00 $41.65

Bulk · per vial · code stacks

4+$26.10$22.19−10%
6+$24.36$20.71−16%
10+$21.75$18.49−25%
DSIP research vial
DSIPIon Peptide
COA

DSIP

15% off with code at checkoutAt market avg
10mg$45.00 $38.25

Bulk · per vial · code stacks

4+$40.50$34.43−10%
6+$37.80$32.13−16%
10+$33.75$28.69−25%
Epitalon research vial
EpitalonIon Peptide
COA

Epitalon

15% off with code at checkout
50mg$119.00 $101.15

Bulk · per vial · code stacks

4+$31.50$26.78−10%
6+$29.40$24.99−16%
10+$26.25$22.31−25%
FOXO4-DRI research vial
FOXO4-DRIIon Peptide
COA

FOXO4-DRI

15% off with code at checkoutAt market avg
10mg$119.00 $101.15

Bulk · per vial · code stacks

4+$107.10$91.04−10%
6+$99.96$84.97−16%
10+$89.25$75.86−25%
Glutathione research vial
GlutathioneIon Peptide
COA2 sizes

Glutathione

15% off with code at checkout
600mg$29.00 $24.65
1500mg$55.00 $46.75

Bulk · per vial · code stacks

4+$26.10$22.19−10%
6+$24.36$20.71−16%
10+$21.75$18.49−25%
Glutathione research vial
GlutathioneIon Peptide
COA

Glutathione

15% off with code at checkout
1000mg$15.00 $12.75

Bulk · per vial · code stacks

4+$13.50$11.48−10%
6+$12.60$10.71−16%
10+$11.25$9.56−25%
IGF-1 LR3 research vial
IGF-1 LR3Ion Peptide
COA

IGF-1 LR3

15% off with code at checkout31% above market avg
1mg$90.00 $76.50

Bulk · per vial · code stacks

4+$81.00$68.85−10%
6+$75.60$64.26−16%
10+$67.50$57.38−25%
Ipamorelin research vial
IpamorelinIon Peptide
COA2 sizes

Ipamorelin

15% off with code at checkout
5mg$35.00 $29.75
10mg$42.00 $35.70

Bulk · per vial · code stacks

4+$31.50$26.78−10%
6+$29.40$24.99−16%
10+$26.25$22.31−25%
Kisspeptin research vial
KisspeptinIon Peptide
COA2 sizes

Kisspeptin

15% off with code at checkout
5mg$29.00 $24.65
10mg$39.00 $33.15

Bulk · per vial · code stacks

4+$35.10$29.84−10%
6+$32.76$27.85−16%
10+$29.25$24.86−25%
KPV research vial
KPVIon Peptide
COA2 sizes

KPV

15% off with code at checkout
10mg$49.00 $41.65
20mg$69.00 $58.65

Bulk · per vial · code stacks

4+$44.10$37.49−10%
6+$41.16$34.99−16%
10+$36.75$31.24−25%
L-Carnitine research vial
L-CarnitineIon Peptide
COA

L-Carnitine

15% off with code at checkout32% below market avg
5000mg$40.00 $34.00

Bulk · per vial · code stacks

4+$36.00$30.60−10%
6+$33.60$28.56−16%
10+$30.00$25.50−25%
Melanotan I research vial
Melanotan IIon Peptide
COA

Melanotan I

15% off with code at checkoutAt market avg
10mg$35.00 $29.75

Bulk · per vial · code stacks

4+$31.50$26.78−10%
6+$29.40$24.99−16%
10+$26.25$22.31−25%
Melanotan II research vial
Melanotan IIIon Peptide
COA2 sizes

Melanotan II

15% off with code at checkout
10mg$35.00 $29.75
20mg$67.00 $56.95

Bulk · per vial · code stacks

4+$31.50$26.78−10%
6+$29.40$24.99−16%
10+$26.25$22.31−25%
MOTS-C research vial
MOTS-CIon Peptide
COA

MOTS-C

15% off with code at checkout
40mg$115.00 $97.75

Bulk · per vial · code stacks

4+$37.80$32.13−10%
6+$35.28$29.99−16%
10+$31.50$26.78−25%
NAD+ research vial
NAD+Ion Peptide
COA2 sizes

NAD+

15% off with code at checkout
500mg$44.00 $37.40
1000mg$85.00 $72.25

Bulk · per vial · code stacks

4+$39.60$33.66−10%
6+$36.96$31.42−16%
10+$33.00$28.05−25%
Oxytocin research vial
OxytocinIon Peptide
COA2 sizes

Oxytocin

15% off with code at checkout
2mg$39.00 $33.15
10mg$59.00 $50.15

Bulk · per vial · code stacks

4+$35.10$29.84−10%
6+$32.76$27.85−16%
10+$29.25$24.86−25%
PDA (Pentadeca Arginate) research vial
PDA (Pentadeca Arginate)Ion Peptide
COA

PDA (Pentadeca Arginate)

15% off with code at checkoutAt market avg
10mg$49.00 $41.65

Bulk · per vial · code stacks

4+$44.10$37.49−10%
6+$41.16$34.99−16%
10+$36.75$31.24−25%
PE-22-28 research vial
PE-22-28Ion Peptide
COA

PE-22-28

15% off with code at checkout
10mg$49.00 $41.65
PT-141 research vial
PT-141Ion Peptide
COA

PT-141

15% off with code at checkoutAt market avg
10mg$37.00 $31.45

Bulk · per vial · code stacks

4+$33.30$28.31−10%
6+$31.08$26.42−16%
10+$27.75$23.59−25%
Retatrutide research vial
RetatrutideIon Peptide
COA9 sizes

Retatrutide

15% off with code at checkout
5mg$39.00 $33.15
7mg$49.00 $41.65
10mg$58.50 $49.73
20mg$99.95 $84.96
30mg$139.00 $118.15
40mg$165.00 $140.25
50mg$189.00 $160.65
60mg$219.00 $186.15
100mg$299.95 $254.96

Bulk · per vial · code stacks

4+$35.10$29.84−10%
6+$32.76$27.85−16%
10+$29.25$24.86−25%
Selank research vial
SelankIon Peptide
COA

Selank

15% off with code at checkout9% below market avg
10mg$34.65 $29.45

Bulk · per vial · code stacks

4+$22.50$19.13−10%
6+$21.00$17.85−16%
10+$18.75$15.94−25%
Semaglutide research vial
SemaglutideIon Peptide
COA2 sizes

Semaglutide

15% off with code at checkout
5mg$39.00 $33.15
20mg$69.00 $58.65

Bulk · per vial · code stacks

4+$35.10$29.84−10%
6+$32.76$27.85−16%
10+$29.25$24.86−25%
Sermorelin research vial
SermorelinIon Peptide
COA2 sizes

Sermorelin

15% off with code at checkout
5mg$39.00 $33.15
10mg$65.00 $55.25

Bulk · per vial · code stacks

4+$35.10$29.84−10%
6+$32.76$27.85−16%
10+$29.25$24.86−25%
SNAP-8 research vial
SNAP-8Ion Peptide
COA

SNAP-8

15% off with code at checkoutAt market avg
10mg$39.00 $33.15

Bulk · per vial · code stacks

4+$35.10$29.84−10%
6+$32.76$27.85−16%
10+$29.25$24.86−25%
SS-31 (Elamipretide) research vial
SS-31 (Elamipretide)Ion Peptide
COA2 sizes

SS-31 (Elamipretide)

15% off with code at checkout
10mg$45.00 $38.25
50mg$139.00 $118.15

Bulk · per vial · code stacks

4+$40.50$34.43−10%
6+$37.80$32.13−16%
10+$33.75$28.69−25%
TB-500 research vial
TB-500Ion Peptide
COA2 sizes

TB-500

15% off with code at checkout
10mg$49.00 $41.65
20mg$89.00 $75.65

Bulk · per vial · code stacks

4+$26.10$22.19−10%
6+$24.36$20.71−16%
10+$21.75$18.49−25%
Tesamorelin research vial
TesamorelinIon Peptide
COA3 sizes

Tesamorelin

15% off with code at checkout
5mg$45.00 $38.25
10mg$69.95 $59.46
20mg$109.00 $92.65

Bulk · per vial · code stacks

4+$40.50$34.43−10%
6+$37.80$32.13−16%
10+$33.75$28.69−25%
Thymalin research vial
ThymalinIon Peptide
COA

Thymalin

15% off with code at checkout
10mg$59.00 $50.15

Bulk · per vial · code stacks

4+$53.10$45.14−10%
6+$49.56$42.13−16%
10+$44.25$37.61−25%
Thymosin Alpha-1 research vial
Thymosin Alpha-1Ion Peptide
COA

Thymosin Alpha-1

15% off with code at checkout6% above market avg
10mg$65.00 $55.25

Bulk · per vial · code stacks

4+$37.80$32.13−10%
6+$35.28$29.99−16%
10+$31.50$26.78−25%
Tirzepatide research vial
TirzepatideIon Peptide
COA6 sizes

Tirzepatide

15% off with code at checkout
10mg$49.00 $41.65
20mg$85.00 $72.25
30mg$108.50 $92.23
40mg$129.00 $109.65
60mg$149.00 $126.65
100mg$199.00 $169.15

Bulk · per vial · code stacks

4+$44.10$37.49−10%
6+$41.16$34.99−16%
10+$36.75$31.24−25%
VIP research vial
VIPIon Peptide
COA

VIP

15% off with code at checkout23% above market avg
10mg$79.00 $67.15

Bulk · per vial · code stacks

4+$71.10$60.44−10%
6+$66.36$56.41−16%
10+$59.25$50.36−25%
Vitamin B12 research vial
Vitamin B12Ion Peptide
COA

Vitamin B12

15% off with code at checkout29% above market avg
10mg$75.00 $63.75

Bulk · per vial · code stacks

4+$67.50$57.38−10%
6+$63.00$53.55−16%
10+$56.25$47.81−25%
Vitamin B12 research vial
Vitamin B12Ion Peptide
COA

Vitamin B12

15% off with code at checkout40% below market avg
10mg$35.00 $29.75

Bulk · per vial · code stacks

4+$31.50$26.78−10%
6+$29.40$24.99−16%
10+$26.25$22.31−25%
Cardiogen – 25mg research vial
Cardiogen – 25mgIon Peptide

Cardiogen – 25mg

25mg · $2.36
$50.15 $59.00
15% off with code

Topicals, Skincare & Drops (5)

Non-injectable products — sprays, drops, capsules and cosmetic skincare. The 15% code applies to these too. See the full skincare line →

GHK Tallow & Honey Balm

Skincare

Lipid-rich copper-peptide balm (GHK-Cu, grass-fed tallow, honey). COA-tested. Budget entry point.

$29.95
AHK-Cu research capsule
AHK-CuIon Peptide

AHK-Cu 50mg

Oral15% off with code
$24.65 $29.00
$0.49/mg
AHK-Cu research capsule
AHK-CuIon Peptide

AHK-Cu 100mg

Oral15% off with code
$33.15 $39.00
$0.33/mg
Biotinoyl Tripeptide-1 research vial
Biotinoyl Tripeptide-1Ion Peptide

Biotinoyl Tripeptide (Raw) – 1g

Topical15% off with code
$84.15 $99.00
$0.08/mg
Matrixyl research vial
MatrixylIon Peptide

Matrixyl – 10mg

Topical15% off with code
$109.65 $129.00
$10.97/mg

Affiliate links — we may earn a commission at no extra cost to you. Cosmetic products are not intended to diagnose, treat, cure, or prevent any disease.

3 Blends Available

Pre-mixed multi-peptide vials. The 15% code applies to blends too.

Glow Blend (BPC-157 + GHK-Cu + TB-500) research vial
Glow Blend (BPC-157 + GHK-Cu + TB-500)Ion Peptide

Glow Blend (BPC-157 + GHK-Cu + TB-500)

COA

Skin repair + collagen support — three peptides targeting tissue regeneration from different angles.

70mg

$75.65$89.0015% off
Klow Blend (BPC-157 + GHK-Cu + KPV + TB-500) research vial
Klow Blend (BPC-157 + GHK-Cu + KPV + TB-500)Ion Peptide

Klow Blend (BPC-157 + GHK-Cu + KPV + TB-500)

COA

Four peptides targeting collagen, inflammation, tissue repair, and gut healing in one injection.

80mg

$92.65$109.0015% off
Tesamorelin + Ipamorelin research vial
Tesamorelin + IpamorelinIon Peptide

Tesamorelin + Ipamorelin

COA

Bundle of Tesamorelin (FDA-approved GHRH analog) and Ipamorelin (ghrelin-receptor secretagogue) for synergistic GH release.

10mg/3mg

$84.15$99.0015% off

More from Ion Peptide (11)

The rest of Ion Peptide's catalog — supplements, lab supplies, cosmetic raws, and specialty compounds. Code thepeptidecatalog (15% off) applies to these too.

9 Vial Case (3ML Slots)

$11.01 $12.95
15% off with code

Acetic Acid 0.6%

$11.01 $12.95
15% off with code

Acetyl Hexapeptide-8 (Raw) – 1g

$109.65 $129.00
15% off with code

BW

$5.95 $7.00
15% off with code

BW-H Brand

$25.46 $29.95
15% off with code

Cerebro Protein – 60mg

60mg · $0.83
$42.46 $49.95
15% off with code

Lemon Bottle – 10ml

$33.15 $39.00
15% off with code

LIPO-C + B12 (Methylated) – 10mg

10mg · $7.90
$67.15 $79.00
15% off with code

Lipo-C Burn Blend – 526mg

526mg · $0.15
$67.15 $79.00
15% off with code

Palmitoyl Pentapeptide-4 (Raw) – 1000mg

1000mg · $0.14
$118.15 $139.00
15% off with code

Phosphate Buffered Saline (Biologix) 100ml

$12.71 $14.95
15% off with code
Best for retatrutideHighest reputationFull healing stackLongevity cluster
Pros
  • 4.7 / 181-review Trustpilot — strongest reputation among newer vendors
  • Best $/mg on retatrutide across the 7-vendor field (verified weekly)
  • Clean COA presentation with mass-spec verification on every batch
  • 15% coupon stacks across full catalog
Cons
  • Premium positioning means base prices run mid-tier before coupon
  • Newer to the market than the longest-running vendors (reputation is strong regardless)

Ion Peptide — Vendor Trust Profile

Independent legitimacy and operational data we verify on each vendor.

Trustpilot
4.7 / 5 — 181 reviews
View on Trustpilot →
Community sentiment
positive on Reddit
Shipping (US)
UPS, FedEx, USPS (auto-selected), ~3 days average
US only
Payment methods
Credit Card, ACH (BarterPay/Grid ACH)
COA verification
third party
Support
Live Chat 9am-1am daily (fastest); email replies within 2 weeks for negative reviews per Trustpilot data · email, phone, live chat
Last verified May 26, 2026

Frequently Asked Questions

What is the Ion Peptide coupon code?
Use code 'thepeptidecatalog' at checkout for 15% off all Ion Peptide products.
How much can I save at Ion Peptide?
The exclusive discount code saves you 15% on all 30+ research peptides at Ion Peptide.
Does Ion Peptide test their products?
Yes, Ion Peptide provides COA (Certificate of Analysis) documentation for their peptide products.
Does the Ion Peptide code expire?
No, this is an ongoing exclusive discount with no expiration date.
Does Ion Peptide sell peptide blends?
Yes, Ion Peptide is one of the few vendors offering pre-mixed blends like BPC-157+TB-500, which other vendors typically don't carry.
What compounds does Ion carry that others don't?
Ion Peptide carries LL-37, SS-31, Epitalon, and several pre-mixed blends that most competing vendors don't stock.
What quality standards does Ion Peptide follow?
Production partners operate under WHO GMP and ISO 9001:2015 standards with lot-specific COA documentation.

About Ion Peptide

Ion Peptide specializes in both individual peptides and pre-mixed blends — a unique offering in the market. Their catalog includes compounds other vendors don't carry (LL-37, SS-31, Epitalon) plus convenience blends like BPC-157+TB-500. Production partners operate under WHO GMP and ISO 9001:2015 standards with lot-specific COAs.

Read our full Ion Peptide review →

Other Vendors with Discount Codes

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← View all coupon codes

Disclosure: We may earn a commission when you use this coupon code. This helps support the site at no extra cost to you.