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Last updated: July 1, 2026

Peptide FDA Compounding Status Tracker 2026 — Complete 503A Guide

Your definitive, regularly-updated reference for every peptide’s FDA compounding status under Section 503A. Access to therapeutic peptides — from BPC-157 to Sermorelin — hinges on evolving decisions by the FDA and the Pharmacy Compounding Advisory Committee (PCAC). We monitor every category change, PCAC hearing date, and enforcement update so you don’t have to. Bookmark this page and check back monthly — or around scheduled PCAC meetings — for the latest on which peptides can be legally compounded, which face restrictions, and what’s next.

Latest Updates

The most recent regulatory developments affecting peptide compounding.

Critical UpdateJuly 1, 2026

Second PCAC Meeting Announced — February 2027

The FDA has announced a new PCAC meeting before the end of February 2027 to review five additional peptides for possible inclusion on the 503A bulks list. This is a significant shift — LL-37, Dihexa, Melanotan II, and PEG-MGF were all previously in a “withdrawn, no active review” state, and are now being reconsidered.

  • Cathelicidin LL-37 — scheduled for Feb 2027 PCAC (previously not on any active agenda)
  • GHK-Cu — confirmed for Feb 2027 PCAC (Category 1 for non-injectable routes)
  • Dihexa acetate — scheduled for Feb 2027 PCAC (previously withdrawn)
  • Melanotan II — scheduled for Feb 2027 PCAC (previously withdrawn)
  • PEG-MGF — scheduled for Feb 2027 PCAC (previously withdrawn)
FDA meeting page
Notable UpdateJune 29, 2026

New PCAC Committee Members Named

Per STAT News reporting (June 29, 2026), the FDA has named eight new panelists to the Pharmacy Compounding Advisory Committee.

  • A majority are involved with businesses that promote or prescribe peptides
  • Includes pharmacist Bobby Harshbarger (son of Rep. Diana Harshbarger, R-TN)
  • Ethics concerns have been raised about potential conflicts of interest
  • The composition suggests the committee may lean more favorably toward allowing peptide compounding
STAT News

1Key Upcoming PCAC & Regulatory Dates

The PCAC has scheduled the following hearings to review peptides currently in Category 2. These dates determine whether each peptide will be approved for 503A compounding or removed from pharmacy access. Mark your calendar.

  1. July 23, 2026Imminent
    PCAC Meeting — Day 1

    Four high-profile peptides face the committee. Public comment period open through July 9.

    BPC-157KPVMOTs-CTB-500
  2. July 24, 2026Upcoming
    PCAC Meeting — Day 2

    Three additional peptides reviewed on the second day of the hearing.

    Emideltide (DSIP)EpitalonSemax
  3. Before February 2027Announced
    Second PCAC Meeting — Additional Peptides

    FDA has announced a second PCAC meeting to review five more peptides for possible 503A inclusion. LL-37, Dihexa, Melanotan II, and PEG-MGF were previously withdrawn with no active review — now reconsidered. Exact date TBD (before the end of February 2027).

    Cathelicidin LL-37GHK-CuDihexa AcetateMelanotan IIPEG-MGF

2Peptides Under FDA Review — Full Status Table

All peptides currently under FDA review for 503A compounding eligibility. Use the color-coded badges to identify each peptide’s review stage. Category 2 → PCAC peptides are listed first, followed by Category 1 peptides still under standard evaluation.

← Scroll to see all columns →

PeptideCategoryStatusPCAC DateForms Under ReviewKey Use CaseNotes
Category 2 → PCAC Review
BPC-157PCACPCAC ScheduledJul 23, 2026BPC-157 acetate, BPC-157 free baseGut healing, tissue repairAlso nominated under Category 1 as Pentadecapeptide
KPVPCACPCAC ScheduledJul 23, 2026KPV acetate, KPV free baseAnti-inflammatory, gut healthAlpha-MSH fragment; strong anti-inflammatory profile
MOTs-CPCACPCAC ScheduledJul 23, 2026MOTs-C acetate, MOTs-C free baseMetabolic health, exercise mimeticMitochondria-derived peptide; limited human trial data
TB-500 (Thymosin Beta-4 Fragment)PCACPCAC ScheduledJul 23, 2026TB-500 acetate, TB-500 free baseTissue repair, recoveryFragment of Thymosin Beta-4; widely used in regenerative medicine
Emideltide (DSIP)PCACPCAC ScheduledJul 24, 2026Emideltide acetate, Emideltide free baseSleep regulationDelta-sleep inducing peptide; neuropeptide
EpitalonPCACPCAC ScheduledJul 24, 2026Epitalon acetate, Epitalon free baseAnti-aging, telomere supportTelomerase activation; based on pineal gland research
SemaxPCACPCAC ScheduledJul 24, 2026Semax acetate, Semax free baseCognitive enhancementACTH fragment; approved in Russia for neurological use
GHK-CuPCACFeb 2027 PCACFeb 2027GHK-Cu (injectable + non-injectable)Skin rejuvenation, wound healingConfirmed for Feb 2027 PCAC; Category 1 for non-injectable routes
Cathelicidin LL-37PCACFeb 2027 PCACFeb 2027Cathelicidin LL-37Antimicrobial peptideScheduled for Feb 2027 PCAC; previously withdrawn (safety concerns re: male reproduction, protumorigenic) — now reconsidered
Dihexa AcetatePCACFeb 2027 PCACFeb 2027Dihexa AcetateCognitive, neuroprotectionScheduled for Feb 2027 PCAC; previously withdrawn (no human exposure data) — now reconsidered
PEG-MGFPCACFeb 2027 PCACFeb 2027PEG-MGFMuscle growth, recoveryScheduled for Feb 2027 PCAC; previously withdrawn (MGF in Category 3) — now reconsidered
Melanotan IIPCACFeb 2027 PCACFeb 2027Melanotan IITanning, sexual functionScheduled for Feb 2027 PCAC; previously withdrawn (melanoma / PRES / priapism concerns) — now reconsidered
Category 1 — Under Evaluation
IpamorelinCat 1Under EvaluationIpamorelin acetateGH release, fat lossSelective GH secretagogue; favorable safety profile
SermorelinCat 1Under EvaluationSermorelin acetateGH release, anti-agingGHRH analog; previously FDA-approved (Geref)
BPC-157 (Pentadecapeptide)Cat 1Under EvaluationPentadecapeptideTissue repairSeparate Category 1 nomination from PCAC listing
PT-141 (Bremelanotide)Cat 1Under EvaluationPT-141Sexual dysfunctionFDA-approved as Vyleesi®; compounding under review
SelankCat 1Under EvaluationSelankAnxiety, cognitiveTuftsin analog; anxiolytic neuropeptide
Thymosin Alpha-1Cat 1Under EvaluationThymosin Alpha-1Immune modulationApproved internationally as Zadaxin®
NAD+Cat 1Under EvaluationNAD+ (injectable)Cellular energy, anti-agingCoenzyme; widely used in longevity protocols
Nicotinamide Mononucleotide (NMN)Cat 1Under EvaluationNMNAnti-agingNAD+ precursor; regulatory overlap with supplements
Ibutamoren (MK-677)Cat 1Under EvaluationMK-677GH secretagogueNon-peptide GH secretagogue; oral administration
Kisspeptin 10Cat 1Under EvaluationKisspeptin 10Reproductive healthGnRH pathway modulator; fertility applications
OxytocinCat 1Under EvaluationOxytocinSocial bonding, mental healthIntranasal formulations under review
GHK-Cu (non-injectable)Cat 1Under Eval → PCACFeb 2027GHK-Cu (topical, non-injectable)Skin, wound healingCategory 1 for non-injectable routes; confirmed for Feb 2027 PCAC
Enclomiphene CitrateCat 1Under EvaluationEnclomiphene CitrateTestosterone, fertilitySelective estrogen receptor modulator (SERM)
Low Dose NaltrexoneCat 1Under EvaluationNaltrexone (low dose)Immune modulationOff-label use at sub-therapeutic opioid antagonist doses
GlutathioneCat 1Under EvaluationGlutathione (injectable)AntioxidantMaster antioxidant; IV push formulations
Alpha Lipoic AcidCat 1Under EvaluationAlpha Lipoic Acid (injectable)Antioxidant, neuroprotectionBoth oral & injectable forms under consideration

3Understanding FDA 503A Categories

The FDA uses a category system to organize bulk drug substances nominated for compounding under Section 503A. Here’s what each means for peptide access.

📋 Category 1

Under Evaluation. Nominated and under review. Pharmacies can continue to compound Category 1 substances with a valid prescription while the FDA evaluates.

⚠️ Category 2

Safety Concerns Flagged. Potential safety/quality issues identified. Restricted compounding; referred to PCAC for a formal hearing.

🚫 Category 3

Inadequate Nomination. Nominated without adequate evidence. Not eligible for 503A compounding unless re-nominated with sufficient data.

🏛️ PCAC Review

Advisory Committee Hearing. Public hearings review clinical evidence and recommend to the FDA whether substances should be approved or denied.

What does “Approved for 503A Compounding” mean?

When a substance is approved for 503A compounding, licensed pharmacies can legally prepare customized formulations for individual patients with a valid prescription. This is distinct from FDA-approved manufactured drugs — compounded medications are not FDA-approved products themselves, but are prepared under the framework governing pharmacy compounding. Approval ensures adequate safety, quality, and clinical evidence exists to support the substance’s use in patient care.

How PCAC hearings work

The PCAC follows a structured process: the FDA presents its safety and clinical review; public stakeholders submit testimony; and committee members discuss and vote on a recommendation. The FDA is not bound by PCAC recommendations but historically follows them in the majority of cases. Final determinations are typically issued weeks to months after the vote.

4What This Means for Patients

If you’re using — or considering — peptide therapy, here’s how to protect your access to care as the regulatory landscape evolves.

  • If you’re currently using a peptide on this list, don’t panic. Category 1 peptides remain available through compounding pharmacies while under evaluation. For Category 2 / PCAC-scheduled peptides, talk to your prescriber about your options before the hearing date.
  • Work only with legitimate 503A compounding pharmacies — state-licensed, FDA-registered pharmacies that compound pursuant to valid prescriptions. Avoid unregulated “research chemical” suppliers. Find a compounding pharmacy →
  • Always work with a licensed prescribing provider. Peptide therapy requires medical oversight — lab monitoring, dosage adjustments, and follow-up — to ensure it’s safe and appropriate for you. Consult a peptide specialist →
  • PCAC outcomes are not final until the FDA acts. Even after a recommendation, the FDA must issue a formal determination — there’s often a window between the hearing and final action where substances remain accessible.
  • Engage in the public comment process. If a peptide you depend on is scheduled for review, submit a public comment to the FDA docket — patient testimonials carry weight. Check regulations.gov for open comment periods.

5In-Depth FDA Peptide Articles

Go deeper on specific peptides, PCAC mechanics, and what the 2026 decisions mean for patients and providers.

FDA Publishes All 7 Briefing Documents Ahead of the July 2026 PCAC Meeting

The FDA has posted all seven scientific briefing documents for the July 23–24, 2026 Pharmacy Compounding Advisory Committee meeting — an unusually clear window into the agency's current thinking on peptide safety, efficacy, and characterization.

BPC-157 Before the FDA: Briefing Document Focuses on Ulcerative Colitis

BPC-157 will be evaluated by the FDA's Pharmacy Compounding Advisory Committee on July 23, 2026. The agency's briefing document centers on ulcerative colitis — here's what providers should know.

FDA 503A Update: What the July 2026 PCAC Peptide Decision Means for Compounders and Physicians

FDA is proposing that BPC-157, KPV, TB-500, MOTS-c, Emideltide, Epitalon, and Semax NOT be added to the 503A Bulks List. Here's what physicians and compounders need to know.

TB-500 and Wound Healing: What the FDA Briefing Document Signals

TB-500 is on the FDA's July 23, 2026 compounding advisory agenda, evaluated for wound healing. Here's the context ahead of the committee's review.

KPV Under FDA Review for Wound Healing and Inflammatory Conditions

The FDA's briefing document for KPV covers wound healing and inflammatory conditions ahead of the July 23, 2026 PCAC meeting.

BPC-157 and the FDA 503A Decision: Why FDA Is Proposing Not to List the Peptide

FDA is proposing that BPC-157 (free base and acetate) NOT be added to the 503A Bulks List. Here's the characterization, effectiveness, and safety reasoning.

KPV and the FDA 503A Decision: The α-MSH Fragment FDA Declined to List

FDA is proposing that KPV (free base and acetate) NOT be added to the 503A Bulks List. Here's the wound-healing and anti-inflammatory evidence review.

TB-500 and the FDA 503A Decision: The Thymosin β-4 Fragment FDA Declined to List

FDA is proposing that TB-500 (free base and acetate) NOT be added to the 503A Bulks List. Here's the wound-healing evidence and safety reasoning.

MOTS-c and the FDA 503A Decision: The Mitochondrial Peptide FDA Declined to List

FDA is proposing that MOTS-c (free base and acetate) NOT be added to the 503A Bulks List. Here's the metabolic-use evidence and safety review.

Emideltide (Delta Sleep-Inducing Peptide) and the FDA 503A Decision

FDA is proposing that Emideltide (free base and acetate) NOT be added to the 503A Bulks List. Here's the insomnia and opioid-withdrawal evidence review.

Epitalon and the FDA 503A Decision: The Pineal Tetrapeptide FDA Declined to List

FDA is proposing that Epitalon (free base and acetate) NOT be added to the 503A Bulks List. Here's the insomnia and melatonin evidence review.

Semax and the FDA 503A Decision: The ACTH-Fragment Neuropeptide FDA Declined to List

FDA is proposing that Semax (free base and acetate) NOT be added to the 503A Bulks List. Here's the nootropic, analgesia, and safety review.

FDA 503A Peptide Update 2026: What It Means for Patients

The FDA 503A peptide update 2026 is the most significant regulatory shift for compounded peptide therapy in years. On April 15, 2026, the FDA published a…

Is BPC-157 Legal in 2026? FDA Compounding Status Explained

If you have been searching "is BPC-157 legal in 2026," you are not alone. BPC-157 is one of the most widely used peptides in regenerative medicine, prized…

Is TB-500 Legal? FDA's July 2026 Decision Explained

The question "is TB-500 legal in 2026" has been on the minds of athletes, patients recovering from injuries, and anti-aging practitioners for months.…

Epitalon FDA Status 2026: What It Means for Anti-Aging Peptide Therapy

The Epitalon FDA status in 2026 is generating significant buzz across the anti-aging and longevity community. Epitalon — a synthetic tetrapeptide known…

DSIP (Emideltide) FDA Update: Sleep Peptide Moves Closer to Legal Compounding

For the growing number of patients struggling with sleep disorders and seeking alternatives to conventional pharmaceuticals, the DSIP peptide FDA status…

5 Peptides the FDA Is Reviewing in July 2026 (And What to Expect)

The FDA is poised to make landmark decisions about some of the most widely used therapeutic peptides in the country. In a two-day PCAC (Pharmacy…

What Is a PCAC Meeting? How the FDA Decides Which Peptides Can Be Compounded

If you have been following the FDA's recent peptide regulatory updates, you have probably encountered the acronym "PCAC" — the Pharmacy Compounding…

BPC-157, TB-500, Semax and MOTs-C: The July 2026 FDA Review Explained

Four of the most popular peptides in regenerative medicine and biohacking are heading to a pivotal FDA review that could determine their future in the…

FDA 503A vs 503B: What Every Peptide Patient Must Know

If you are exploring peptide therapy, you have almost certainly encountered the terms "503A" and "503B" — two regulatory frameworks that determine how…

Which Peptides Are Legal to Compound in 2026? Full FDA Status Guide

Navigating the regulatory landscape for legal peptides in 2026 for compounding can be confusing — but it does not have to be. With the FDA's major April…

GHK-Cu FDA Status and Compounding Update 2026: What Anti-Aging Patients Should Know

The GHK-Cu FDA status in 2026 presents one of the most nuanced regulatory situations in the current peptide landscape. Unlike most peptides on the FDA's…

Semax FDA Status 2026: Is This Cognitive Peptide Heading to Legal Compounding?

The Semax FDA status in 2026 is a topic of intense interest for the nootropic, biohacking, and cognitive health communities. Semax — a synthetic…

6Frequently Asked Questions

  • What is FDA 503A Category 1 for peptides?

    Category 1 substances are currently under evaluation by the FDA. While under review, these peptides can still be legally compounded by registered 503A pharmacies under a valid prescription. Category 1 status does not imply safety concerns — it simply means the FDA has not yet completed its review.

  • What is FDA 503A Category 2 for peptides?

    Category 2 substances have been flagged with potential safety or quality concerns. Compounding of these substances is restricted while they undergo further review by the Pharmacy Compounding Advisory Committee (PCAC). A PCAC hearing must take place before a final determination is made.

  • What is the PCAC and how does it affect peptide access?

    The Pharmacy Compounding Advisory Committee (PCAC) is an FDA advisory body that reviews nominated bulk drug substances for use in compounding. The PCAC holds public hearings, reviews clinical evidence, and makes recommendations to the FDA on whether substances should be approved for 503A compounding. Their recommendations heavily influence final FDA decisions on peptide availability.

  • Can I still get compounded peptides in 2026?

    Yes. Many peptides remain available through legitimate 503A compounding pharmacies under a valid prescription while they are under FDA evaluation (Category 1). Peptides in Category 2 or under active PCAC safety review may have restricted availability. Always work with a licensed prescribing provider and a registered compounding pharmacy.

  • What happens after PCAC reviews a peptide?

    After the PCAC hearing, the committee makes a recommendation to the FDA. The FDA then issues a final determination: the peptide is either approved for 503A compounding (added to the approved bulk substances list) or denied. If denied, compounding pharmacies must stop producing the substance. The FDA's decision typically follows within weeks to months after the PCAC recommendation.

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⚠ Medical & Regulatory Disclaimer

This page is for informational and educational purposes only and does not constitute medical advice, legal guidance, or an endorsement of any substance, product, or therapy. The regulatory status information is based on publicly available FDA documents and is subject to change without notice. Always consult a licensed healthcare provider before starting, stopping, or modifying any peptide therapy. Compounded medications are not FDA-approved products. For the most current information, refer to the FDA’s official compounding page.