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Peptides Plus

A reference for health-focused adults and practitioners researching peptide protocols. Evidence-based, condition-specific, and entirely free of commercial interest.

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Protocols Research Stage

Are GLP-1 Peptides Like Semaglutide Recruiting Hunger Neurons Rather Than Silencing Them in 2026?

A 2025 PNAS study from Yale found that semaglutide recruits — rather than silences — AgRP hunger neurons in female mice, and that this recruitment is required for the drug's full weight-lowering effect. A parallel JCI study confirmed rapid AgRP inhibition at pharmacologic doses, revealing a context-dependent, bidirectional relationship between GLP-1 receptor agonists and hypothalamic hunger circuitry.

September 7, 2026 · 11 min read
Protocols Research Stage

Are BPC-157 and TB-500 Safe and Effective for Ulcerative Colitis, Wound Healing, or Pain When Compounded by Pharmacies in 2026?

Neither BPC-157 nor TB-500 has completed a human randomised controlled trial for ulcerative colitis, wound healing, or pain as of 2026. FDA staff concluded the evidence was inadequate for all three indications. An advisory committee nonetheless voted 8-6 in favour of adding both to the 503A compounding list — a non-binding recommendation that has not yet changed legal compounding status.

September 3, 2026 · 11 min read
Protocols Research Stage

What Human Dose-Response Data Exist for BPC-157 in Inflammatory Bowel Disease and Soft-Tissue Injury in 2026?

As of 2026, the human dose-response record for BPC-157 consists of a Phase 1 tolerability study in two healthy adults, an unpublished Phase 2 enema trial in ulcerative colitis, and a small number of soft-tissue case series. No dose-response curve has been established in humans for any indication. FDA reviewers characterised the available data as sparse, short, and exploratory.

September 2, 2026 · 11 min read
Protocols Research Stage

How Does Administration Route Shape BPC-157 Protocol Design Across Tissue Injury Types in 2026?

Administration route materially alters BPC-157's pharmacokinetic profile and, by extension, which tissue-injury types are most likely to respond. Two 2026 reviews — Mateescu in Pharmaceutics and Yuan in IJMS — establish that subcutaneous injection favours musculoskeletal targets, oral administration favours gastrointestinal mucosa, and intra-articular delivery is supported by a small human case series for joint pathology.

August 31, 2026 · 10 min read
Protocols Research Stage

What Human Clinical Evidence Exists for Emideltide in Insomnia, Narcolepsy, and Opioid Use Disorder in 2026?

As of 2026, no completed randomised controlled trial has evaluated emideltide — the synthetic analogue of delta sleep-inducing peptide (DSIP) — in insomnia, narcolepsy, or opioid use disorder. The available human record consists of small uncontrolled Soviet-era infusion studies and one opioid withdrawal series. Regulators have explicitly cited this evidence gap as the central barrier to any compounding pathway.

August 20, 2026 · 11 min read
Protocols Research Stage

What Are the Known Safety Risks and Dose Limits for BPC-157 in Humans in 2026?

No validated safe dose for BPC-157 in humans has been established as of 2026. The compound carries five categorised safety risk classes — oncological, immunogenic, cardiovascular, neurological, and drug-interaction — each grounded in preclinical mechanism rather than observed human adverse events. No completed human pharmacokinetic study exists, making rational dose selection impossible by current clinical standards.

August 17, 2026 · 12 min read

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Every protocol article on Peptides Plus includes a structured safety section covering known adverse effects, contraindications, and evidence gaps. We treat incomplete evidence as information, not an excuse to omit warnings.

Where no controlled human safety data exists, that is stated explicitly. Where contraindications are documented, they are presented before dosing information, not after it. The deliberate, consistent placement of safety information is part of what makes this site useful — and what makes it responsibly citable.

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Peptides Plus publishes evidence-based protocol summaries for health-focused adults and practitioners. No supplements are sold here. No content is sponsored. The editorial commitment is to accurate characterisation of evidence — including where it is preliminary, absent, or conflicted.

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