The real question isn’t “Do peptides work?”
It’s “Are you using the right ones, at the right dose, from the right source?”

In many cases, yes.
Peptides have strong clinical and mechanistic data behind them and often produce noticeable improvements in:

But — and this is important — peptides are NOT all created equal.
And the industry is currently unregulated outside of medical compounding.

Which leads us to the most important part:

If you take nothing else away from this email, take this:

Most “research peptides” sold on websites are contaminated, diluted, mislabeled, or completely inactive. Testing frequently shows:

Peptides should ONLY come from:
✔ licensed, accredited compounding pharmacies
✔ clinicians trained in peptide medicine
✔ medically supervised programs

You should never inject anything you cannot verify.

Here are the 6 most popular peptides currently used — and what the research supports.

Best for: gut repair, inflammation, tendon/ligament healing
BPC-157 supports angiogenesis, tissue healing, gut lining integrity, and systemic inflammation reduction.
Great for people with gut dysfunction, injuries, chronic inflammation, or recovery needs.

Injection vs Oral:

Best for: tissue repair, injury recovery, post-surgical healing
TB4 enhances cell migration, angiogenesis, and regeneration — especially in muscle and connective tissue.
Often paired with BPC-157 for synergistic healing.

Best for: skin, hair growth, collagen synthesis, inflammation control
GHK-Cu is a naturally occurring copper peptide with decades of research showing benefits for wound healing, reducing oxidative stress, and increasing collagen + elastin.

Used topically, in microneedling serums, or injectable formulations (like GLOW peptides).

Best for: body composition, sleep, recovery, anti-aging, cellular regeneration
These stimulate your OWN natural pulsatile growth hormone — not synthetic GH.

Benefits may include:

Injections: far more effective
Oral: largely ineffective due to digestive breakdown (GH peptides must be injected)

Best for: metabolic health, energy, fat oxidation, exercise performance
This peptide supports mitochondrial biogenesis, glucose utilization, insulin sensitivity, and metabolic resilience.
Fantastic for people who feel “metabolically stuck.”

Best for: weight loss, satiety, blood sugar regulation, metabolic improvement
These are technically peptide medications that mimic incretin hormones to regulate appetite and glucose.

Injection vs Oral:

GLP-1s work best when combined with:
✔ protein-forward nutrition
✔ strength training
✔ gut optimization
✔ micronutrient support
✔ peptide stacking (e.g., MOTS-C or GH peptides for body composition)

When sourced properly and used under medical guidance: YES.
They can accelerate healing, slow aging, optimize metabolism, and restore physiological pathways that decline with age or stress.

But peptides are not a DIY experiment.
They are precision tools — and deserve precision supervision.

🎙 Dr. Josh Axe — Podcast episode — How Peptides and Bioregulators Heal the Brain, Liver, and Heart

🎙 Andrew Huberman — Peptide Science episode — Peptide & Hormone Therapies for Health, Performance & Longevity | Dr. Craig Koniver

📚 Dr. Seeds — Peptide Protocols Book

🏥 Next Health — Peptide Programs + Medical Guidance Page

This information is intended for education and empowerment and should not replace individualized medical guidance from your healthcare provider. For any recommendations or questions, please reach out ❤️ Liz <3