Where to Buy PEG-MGF in 2026: 3 Lab-Tested Sellers, From $13.46/mg With a Coupon Code
Where to buy PEG-MGF: PepAssess lists PEG-MGF at 10 vendors. As of November 12, 2026, the lowest price with a coupon code is $13.46/mg at VMAX Peptides (code pepassess10); the median across all sellers is $35.00/mg. Vendors are ranked by Evidence Score.
Prices and codes updated November 12, 2026 · re-checked every night
The synthetic peptide sold as MGF copies the last 24 amino acids of its E domain.
Learn more about PEG-MGF from the published research: Frontiers in Endocrinology (2026) · Endocrinology (2010) · Mechanisms of Ageing and Development (2011)
The compounds listed on this page are for research purposes only, not for human consumption.
PEG-MGF reconstitution calculator →
PEG-MGF coupon codes
Prices with the code taken off · updated November 12, 2026 · re-checked every night
Every PEG-MGF coupon code
10 PEG-MGF sellers with a confirmed code — PepAssess's preferred vendor first, then highest Evidence Score.
| Shop | Score | Vial with code | Per mg | Per mg with code | vs typical | Code discount | Code | |
|---|---|---|---|---|---|---|---|---|
| Rebirth LabsPreferred | 84score | — | — | — | — | 10% off | ShopShop ↗ | |
| BioLongevity Labs | 100score | — | — | — | — | 15% off | ShopShop ↗ | |
| Peptide Giants | 89score | 2 mg vial $37.99 with code | $20.00/mg | $19.00/mg with code | 43% below typical | 5% off | ShopShop ↗ | |
| Alpha Peptides | 87score | — | — | — | — | 10% off | ShopShop ↗ | |
| Disguised Alpha | 83score | — | — | — | — | 10% off | ShopShop ↗ | |
| Zesty Rat | 75score | 2 mg vial $62.99 with code | $35.00/mg | $31.50/mg with code | — | 10% off | ShopShop ↗ | |
| GenX Peptides | 68score | — | — | — | — | 15% off | ShopShop ↗ | |
| Peptuvia | 63score | 2 mg vial $98.10 with code | $54.50/mg | $49.05/mg with code | — | 10% off | ShopShop ↗ | |
| VMAX Peptides | 63score | 2 mg vial $26.91 with code | $14.95/mg | $13.46/mg with code | 57% below typical | 10% off | ShopShop ↗ | |
| Vitality Chems | 59score | 2 mg vial $75.64 with code | $42.50/mg | $37.82/mg with code | — | 11% off | ShopShop ↗ |
Where to buy PEG-MGF: the short answer
What is the lowest PEG-MGF price with a coupon code?
As of November 12, 2026, the lowest PEG-MGF price PepAssess found with a coupon code is at VMAX Peptides: $13.46 per mg with code pepassess10 (10% off; $14.95 per mg before the code). Prices are re-checked every night. VMAX Peptides coupon code
What is the best PEG-MGF coupon code?
As of November 12, 2026, the biggest PEG-MGF coupon code PepAssess has confirmed is PEPASSESS for 11% off at Vitality Chems, which brings it to $37.82 per mg. PepAssess lists each code with its discount and the seller's Evidence Score, based on lab reports confirmed with the testing labs. Vitality Chems coupon code
Where can I buy lab-tested PEG-MGF?
As of November 12, 2026, PepAssess lists 10 online vendors selling PEG-MGF. 3 of them publish a PEG-MGF lab report that the testing lab confirmed on its own records, and 1 of those cover both purity (HPLC and mass spec) and toxicity (endotoxin or sterility). The highest-scoring vendors with a lab-confirmed PEG-MGF report are BioLongevity Labs (100/100), Peptide Giants (89/100) and Disguised Alpha (83/100). Compare all 10 PEG-MGF vendors on PepAssess
What is the best PEG-MGF vendor?
PepAssess ranks PEG-MGF vendors by Evidence Score (0–100): what each vendor documents — lab reports confirmed by the labs, how often it tests, business transparency and buyer protection. As of November 12, 2026, the top-scoring PEG-MGF vendors are BioLongevity Labs (100/100), Peptide Giants (89/100) and Alpha Peptides (87/100) — 2 of them with a lab-confirmed PEG-MGF report.
What is the cheapest PEG-MGF per mg?
The lowest PEG-MGF price PepAssess found is $14.95/mg at VMAX Peptides; the median across vendors is $35.00/mg (as of November 12, 2026). Among vendors with a lab-confirmed PEG-MGF report, the lowest is $20.00/mg at Peptide Giants. Prices come from each vendor's own store and exclude shipping and discounts.
PEG-MGF cost per week
What one 2 mg vial of PEG-MGF costs per week of research, at the lowest one-vial price with a coupon code: $26.91 at VMAX Peptides (code pepassess10, $13.46/mg), as of November 12, 2026.
| One vial used over | Cost per week |
|---|---|
| 2 weeks | $13.46 |
| 4 weeks | $6.73 |
| 8 weeks | $3.36 |
Lab-confirmed PEG-MGF reports
3 of 10 sellers publish a PEG-MGF lab report. 3 have one the testing lab confirmed on its own records; 1 of those cover both purity (HPLC + mass-spec identity) and toxicity (endotoxin or sterility). Those covering both are listed first, then by Evidence Score.
| Vendor | Purity | Toxicity | Latest | Per mg | Code | Score | |
|---|---|---|---|---|---|---|---|
| BioLongevity Labs | Purity ✓↗ | Toxicity ✓↗ | Feb 2026 | — | 15% off | 100score | ShopShop ↗ |
 Peptide Giants | Purity ✓↗ | Toxicity – | Aug 2026 | $20.00/mg | 5% off | 89score | ShopShop ↗ |
 Disguised Alpha | Purity ✓↗ | Toxicity – | Sep 2026 | — | 10% off | 83score | ShopShop ↗ |
| # | Vendor | Doses (mg) | From | Best $/mg | Evidence score ⓘ | |
|---|---|---|---|---|---|---|
| 1 | 5 | — | — | 100score | Shop | |
| 2 | 2 | — | — | 84score | Shop | |
| 3 | 5, 10, 20, 30, 60 | — | — | 83score | Shop | |
| 4 | 2 | — | — | 87score | Shop | |
| 5 | 2 | from $109 ↗ | $54.50/mg | 63score | Shop | |
| 6 | 2 | from $39.99 ↗ | $20.00/mg | 89score | Shop | |
| 7 | 2 | from $69.99 ↗ | $35.00/mg | 75score | Shop | |
| 8 | 2 | — | — | 68score | Shop | |
| 9 | 2 | from $29.90 ↗ | $14.95/mg | 63score | Shop | |
| 10 | 2 | from $84.99 ↗ | $42.50/mg | 59score | Shop |
Prices come from each vendor's own public store data and may exclude shipping, discounts or bulk pricing. Research-use products; not medical advice.
About PEG-MGF
What it is
The synthetic peptide sold as MGF copies the last 24 amino acids of its E domain.
The compounds listed on this page are for research purposes only, not for human consumption. Not medical advice.
Related: IGF-1 LR3 · Follistatin · Ipamorelin · CJC-1295 · TB-500
PEG-MGF: more questions people ask
Which PEG-MGF vendors have lab reports confirmed by the testing lab?
3 as of November 12, 2026. Those whose confirmed reports cover both purity and toxicity: BioLongevity Labs. PepAssess matches each report to the issuing lab's own public record, not the vendor's copy.
How can I tell if a PEG-MGF certificate of analysis (COA) is real?
Look the report up in the testing lab's own records — most labs that test peptides publish a lookup by report ID, QR code or lot number. PepAssess does this for every PEG-MGF report it finds: as of November 12, 2026, 3 of the 3 sellers publishing a PEG-MGF report had one the lab confirmed.
How much does a vial of PEG-MGF cost?
As of November 12, 2026, a 2 mg vial of PEG-MGF costs a median $35.99 across the 115 sellers PepAssess found with one in stock (lowest $14.48); a 5 mg vial, a median $59 across 43 sellers (lowest $32). Each seller's lowest in-stock price for that size counts once; prices come from each seller's own store and exclude shipping and discounts.
Can you buy PEG-MGF as a nasal spray or a pen?
Yes. As of November 12, 2026, 179 of the 10 PEG-MGF sellers PepAssess lists sell a vial; 26 a nasal spray and 20 a pen or pre-filled form. Counts come from each store's own product names. A lab report covers the product and batch it names — check that it's for the form you're buying.
How do I know if a PEG-MGF seller is legit?
Check what the seller can show. As of November 12, 2026, PepAssess checks every PEG-MGF seller for three things: a PEG-MGF lab report that the testing lab confirms on its own records (3 of 10), card payments, which let you dispute a charge (9 of 10), and a published street address — not a mailbox or registered agent (4 of 10). Each seller's PepAssess profile shows which of these it has.
Are there PEG-MGF coupon codes?
Yes. PepAssess lists coupon codes for 10 vendors selling PEG-MGF: BioLongevity Labs: PEPASSESS (15% off), Peptide Giants: pepassess (5% off), Alpha Peptides: PEPASSESS (10% off), Rebirth Labs: PEPASSESS (10% off), Disguised Alpha: REF-4GN8-3QTN (10% off), Zesty Rat: pepassesscom10 (10% off) and 4 more.