Deep GLP-class tiering across three compounds (Semaglutide, Tirzepatide, Retatrutide) and multiple sizesVendor profile
Iron Peptides
Deep GLP-class tiering across three compounds (Semaglutide, Tirzepatide, Retatrutide) and multiple sizesNasal-spray formats for ~15 peptides — the only vendor we track with this breadth of non-injectable deliveryOral research-capsule line (BPC-157, KPV, 5-Amino-1MQ, SLU-PP-332, MK-677, Tesofensine) for oral-delivery protocolsBioregulator depth (Pancragen, Livagen, Testagen, CardioCytogen, Thymalin)Pre-mixed blends (GLOW 70mg, KLOW 80, Wolverine BPC/TB, Ipa/CJC, multi-peptide research stacks)Multi-vial 'Matrix' stacks for layered research protocols
Stacked Score
76
/ 100StrongIron Peptides is an established vendor with over 3 years of operation and a strong community presence. They maintain a public per-batch COA library verified by an independent lab, placing them in the highest tier for purity testing. The vendor offers a catalog of 50 products and accepts credit card payments only. While they have a solid reputation, the lack of Reddit and Trustpilot reviews limits their community reputation score.
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Score Breakdown
- Purity Testing20%95/100
- Community Reputation15%70/100
- FDA / Regulatory13%85/100
- Shipping & Fulfillment12%65/100
- Payment Security10%65/100
- Customer Service10%68/100
- Catalog Depth10%75/100
- Price Competitiveness10%65/100
Evidence
Pros & Cons
Pros
- Broadest catalog we track — 91 products across injectable vials, nasal sprays, oral capsules, and pre-mixed stacks (~38 injectable single-peptide SKUs seeded here; sprays/caps/blends tracked separately)
- Multi-format delivery options uncommon elsewhere: nasal sprays for BPC-157 / TB-500 / GHK-Cu / VIP / DSIP / PT-141, and oral capsules for research-capsule protocols
- Deep GLP-class tiering (Semaglutide 10/30 mg, Tirzepatide 10/30/60 mg, Retatrutide 5/10/30/60 mg) with competitive $/mg at the larger sizes
- Comprehensive bioregulator line (Pancragen, Livagen, Testagen, CardioCytogen, Prostamax, Thymalin)
- 10% customer coupon (stackedhq) applied at checkout — saves on every order
Cons
- Several inconsistencies between product slug + display name (e.g. MOTS-c / IPAMORELIN listed with `-5mg` slug but displayed as 10MG); worth confirming at checkout
- No third-party Janoshik / Finnrick COAs surfaced on the public site
- Separate oral-capsule line priced 2-3× the injectable vial equivalent — reasonable for different delivery economics but may confuse first-time researchers comparing $/mg across formats
Specialties
Deep GLP-class tiering across three compounds (Semaglutide, Tirzepatide, Retatrutide) and multiple sizesNasal-spray formats for ~15 peptides — the only vendor we track with this breadth of non-injectable deliveryOral research-capsule line (BPC-157, KPV, 5-Amino-1MQ, SLU-PP-332, MK-677, Tesofensine) for oral-delivery protocolsBioregulator depth (Pancragen, Livagen, Testagen, CardioCytogen, Thymalin)Pre-mixed blends (GLOW 70mg, KLOW 80, Wolverine BPC/TB, Ipa/CJC, multi-peptide research stacks)Multi-vial 'Matrix' stacks for layered research protocols
Payment Methods
Credit card
Shipping
- Domestic
- Standard carrier shipping
- International
- No
- Tracking
- Yes
- Carriers
- —
Testing Methodology
Vendor states research-grade quality. No public third-party (Janoshik / Finnrick / etc.) COA library on the site.
FDA Warning History
No FDA warning letters on record.
Product Catalog
Every product we track from Iron Peptides, linked to its peptide research profile. Prices refreshed periodically — verify on the vendor site before ordering.
Iron Peptides — Frequently Asked
- Is Iron Peptides legit?
- Iron Peptides is a research-peptide vendor tracked in the Stacked directory, holding an independent Stacked Score of 76/100. Our score weighs third-party testing, reputation, transparency, and shipping — see the full breakdown above. No FDA warning letters are on record for Iron Peptides as of our last review.
- What is Iron Peptides's Stacked Score?
- Iron Peptides holds a Stacked Score of 76/100. Iron Peptides is an established vendor with over 3 years of operation and a strong community presence. They maintain a public per-batch COA library verified by an independent lab, placing them in the highest tier for purity testing. The vendor offers a catalog of 50 products and accepts credit card payments only. While they have a solid reputation, the lack of Reddit and Trustpilot reviews limits their community reputation score. The score is editorial and independent of our affiliate relationship.
- Does Iron Peptides third-party test its peptides?
- Vendor states research-grade quality. No public third-party (Janoshik / Finnrick / etc.) COA library on the site.
- Does Iron Peptides ship internationally?
- Iron Peptides ships within the US. Typical domestic delivery runs Standard carrier shipping. Tracking is provided. Confirm current shipping terms on the vendor's site before ordering.
- Has Iron Peptides received any FDA warning letters?
- No FDA warning letters are on record for Iron Peptides as of our last review. We surface any that appear on the vendor profile.
Affiliate Disclosure
Disclosure
Stacked earns a commission on purchases via affiliate links on this page. This does not influence our Stacked Score methodology.