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, functional medicine researcher, data analyst, peptide specialist

, functional medicine researcher, data analyst, peptide specialist , functional medicine researcher, data analyst, peptide specialist

Marcus Reid is a functional medicine researcher, data analyst, and peptide specialist, and one of the people who built MyPeptidePal. The platform exists in part because of the years he spent immersed in clinical literature, real-world protocols, and the kind of hands-on experimentation that most textbooks skip entirely. He is not a physician and does not pretend to be. What he is, is someone who has done the work to understand how these compounds actually function at a biological level, what the research actually says versus what the forums claim, and how to explain it in a way that makes sense to anyone willing to learn. At MPP, Marcus contributed to building the knowledge base, the protocol frameworks, and the research systems that power the platform. His work covers tissue repair, metabolic health, hormonal optimization, longevity, cognitive function, and cosmetic applications. When the science gets complicated, his job is to make it click.

Articles by , functional medicine researcher, data analyst, peptide specialist

5 Best Peptides for Neck Pain

When people search for peptides to address neck pain, five compounds come up consistently across research discussions, functional medicine clinics, and community protocols: BPC-157, TB-500, GHK-Cu, KPV, and Thymosin Alpha-1. BPC-157 and TB-500 are the most prominent pair, and their combination appears repeatedly in community reports for both acute and chronic cervical complaints. None of these compounds have been validated in randomized controlled trials specifically for neck pain, and the human evidence base is thin across all of them for this indication. The entries below are numbered by how prominently each compound appears in research and real-world use for neck pain, not as a ranking of one over another, and the honest state of the evidence is stated plainly for each.

Pain Management 10 min read

6 Best Peptides for Knee Pain

Six peptides come up consistently when people explore options for knee pain, ranging from oral collagen peptides with multiple randomized controlled trials behind them to injectable research compounds like BPC-157 and TB-500 that are widely used in community protocols despite limited human trial data. This guide covers each compound people actually reach for when dealing with osteoarthritis, soft tissue injuries, or chronic joint degeneration, and states honestly where the evidence stands. The compounds are ordered by how prominently each appears in research and documented real-world use, not ranked as one being better than another for any individual. The right choice depends on your situation, your goals, and what you build with personalized guidance.

Pain Management 11 min read

6 Best Peptides for Muscle Preservation on GLP-1

GLP-1 receptor agonists like semaglutide and tirzepatide are remarkably effective for weight loss, but roughly 25 to 40 percent of the weight people lose on them comes from lean tissue rather than fat. That trade-off has pushed a growing number of users toward peptides and related compounds that support the anabolic side of the equation while the GLP-1 drives fat loss. This guide covers six compounds people actually use for muscle preservation during GLP-1 therapy: what each one is, how it works for this goal, and what the evidence honestly shows. The entries are ordered by how prominently each compound appears in research and documented real-world use, not as a ranking of one being better than another for your situation.

Muscle Growth 10 min read

7 Best Peptides for Smoking Cessation

Seven peptide classes and compounds have entered the smoking cessation conversation in a serious way, led by GLP-1 receptor agonists like exenatide and semaglutide, which carry genuine human trial data, and extending to research-only compounds like Selank and Semax that people use specifically to manage withdrawal anxiety and dopamine instability. NAD+ also appears here because it shows up consistently in community cessation protocols, even though it is technically a coenzyme rather than a peptide. Each entry covers what the compound is, how people use it for quitting nicotine, and what the evidence honestly shows. The compounds are ordered by how prominently they appear in research and real-world use, not ranked as one being better than another for any individual. The right compound depends on your situation, and that is exactly what MyPeptidePal is built to help you work out.

Addiction 11 min read

7 Best Peptides for Alcohol Recovery

People pursuing alcohol recovery turn to a surprisingly wide range of peptides, from FDA-approved GLP-1 receptor agonists with genuine Phase 2 trial data behind their craving-reduction effects to gut-repair compounds, antioxidant tripeptides, and bioregulatory peptides used largely on community experience. This guide covers seven compounds that people actually use or are actively discussing for alcohol recovery, ordered by how prominently each appears in research and real-world use, not as a ranking of one over another for any individual. The evidence varies enormously across this list, and that honest variation is the point: knowing where each compound stands is the first step toward building a plan that fits your situation.

Addiction 11 min read

6 Best Peptides for Hangover Recovery

Six peptides and peptide-related compounds have attracted the most serious attention for hangover recovery in 2026, ranging from glutathione, the only compound backed by a published randomized controlled trial for this specific use, to research-only options like SS-31 whose case rests on theoretical mechanism and community-reported experience. Each targets a distinct piece of hangover biology: acetaldehyde toxicity, gut barrier damage, NAD+ depletion, or neuroinflammation. The compounds are ordered by how prominently each appears in the research and in real-world use, not as a personal recommendation. The right choice depends on your situation, and the MyPeptidePal app is the place to turn that overview into a personalized plan.

Liver Health 10 min read

7 Best Peptides for Hearing Loss

People pursuing peptide options for hearing loss are working with one of the most challenging targets in regenerative research: cochlear hair cells do not regenerate once lost, and no peptide therapy has yet reached FDA approval for any form of hearing loss. A real and active research field exists nonetheless, and seven compounds have been studied, used, or discussed for this goal, ranging from D-JNKI-1, the most clinically advanced candidate that reached Phase 3 trials, to BPC-157, which has no hearing-specific trial data but appears consistently in community discussions. The compounds here are ordered by how prominently each appears in research and real-world use, not as a recommendation of one over another. The honest picture across all seven entries is that the evidence base is thin, and what varies is the degree of thinness, from a failed Phase 3 program to pure anecdote.

Ear Hearing Health 11 min read

5 Best Peptides for Diabetic Retinopathy

Five peptides come up repeatedly when people discuss diabetic retinopathy: GLP-1 receptor agonists are the most widely used peptide-class drugs among diabetic patients and carry the deepest human trial record, Luminate (risuteganib) and cibinetide have both advanced into clinical trials with real retinal outcome data, Visoluten is a peptide bioregulator with older human study data that a community of users reaches for specifically, and BPC-157 appears in community conversations on the basis of its broad vascular and anti-inflammatory properties. These five are numbered by how prominently each appears in research and real-world discussion, not ranked as a recommendation of one over another. No peptide is currently FDA-approved as a standalone treatment for diabetic retinopathy, and the right path for any individual depends on their clinical history and what they build with their care team or the MyPeptidePal app.

Eye Health 9 min read

7 Best Peptides for Retinal Health

People pursuing peptide support for retinal health are navigating a genuinely wide field, from clinically studied pharmaceutical candidates to community-used bioregulators with thin Western trial data. This guide covers seven compounds that people actually use or are actively discussing for retinal protection, photoreceptor preservation, and conditions including age-related macular degeneration, diabetic retinopathy, and retinitis pigmentosa. They are ordered by how prominently each appears in research and real-world use, not ranked as recommendations, because the right compound depends on your specific condition and the personalized plan you build with the app. The evidence picture varies dramatically across these seven: one has published human efficacy data showing meaningful visual improvement, one has completed Phase I and II trials, and others rest on preclinical animal work or community-reported experience. That range is the honest state of the field, and every entry below states it plainly.

Eye Health 12 min read

6 Best Peptides for Dry Eyes

People researching peptide options for dry eyes are looking at a genuinely active field, with six compounds that appear consistently across clinical pipelines, ophthalmology journals, and community protocols. The evidence ranges widely: Thymosin Beta-4 has completed Phase 2 randomized trials with statistically significant results, while Visoluten is used in community ocular health stacks with no dry-eye-specific clinical data. This guide covers each compound in order of how prominently it appears in research and real-world use for this goal, not as a ranking of one over another, because the right choice depends on the type of dry eye involved and what a practitioner helps you build.

Eye Health 12 min read

5 Best Peptides for Cataracts

When people look into peptides for cataracts, they are working in one of the narrowest evidence fields in all of peptide research. Only one compound, N-Acetylcarnosine, has published human clinical trial data for cataract-specific outcomes. A small number of others, including the peptide bioregulator Visoluten and several compounds currently confined to animal studies, round out what people are actually using or actively watching. This guide covers each of them honestly: what they are, how they are used for this goal, and exactly how strong or thin the evidence behind each one really is. The compounds are ordered by how prominently they appear in research and real-world use, not ranked as recommendations for any individual. Surgery remains the only proven treatment for established cataracts; what peptides offer at best is a preventive or progression-slowing role, and this article explains what that looks like in practice.

Eye Health 10 min read

6 Best Peptides for Glaucoma

Glaucoma research has surfaced a small but growing set of peptides that people use or actively discuss for two overlapping goals: lowering intraocular pressure and protecting the retinal ganglion cells that standard pressure-lowering drops cannot save on their own. As of 2026, no peptide has received FDA or EMA approval specifically for glaucoma, so the field spans FDA-approved compounds used off-label, Eastern European clinical preparations with limited Western study, and research-only candidates with strong preclinical signals but no human ocular data yet. This guide covers six compounds people actually reach for, ordered by how prominently each appears in research and documented real-world use, not as a ranking of one over another. The right choice depends on your specific situation, and the MyPeptidePal app is built to turn that map into a personalized plan.

Eye Health 11 min read

7 Best Peptides for Macular Degeneration

Macular degeneration sits at one of the most active frontiers in peptide research, with a field that spans FDA-approved injections, compounds in active human trials, and community-discussed options whose evidence is largely experiential. This guide covers the peptides people are actually using and talking about for AMD, from clinically studied options like Elamipretide and Risuteganib to less-validated but widely discussed compounds like Visoluten and BPC-157. The seven entries are ordered by how prominently each compound appears in research and documented real-world use, not as a recommendation of one over another, and the honest state of the evidence is described for each.

Eye Health 10 min read

6 Best Peptides for Dental Healing

People pursuing dental healing through peptides are working with one of the most varied fields in the whole peptide landscape, ranging from professionally applied enamel repair products with human trial data to research compounds that community members use off-label after extractions and implant surgeries. This guide covers six compounds that appear consistently across both the published literature and real-world use: the self-assembling enamel peptide P11-4, the bone-graft peptide P-15, the widely discussed soft-tissue compounds BPC-157 and TB-500, the copper-binding tissue remodeler GHK-Cu, and the antimicrobial peptide LL-37. The list is ordered by how prominently each compound appears in research and documented real-world use, not as a ranking of one being better than another. What fits your situation depends on what you are trying to heal and what you build inside the app.

Oral Dental Health 11 min read

8 Best Peptides for Gum Disease

Eight peptides show up consistently when people research gum disease options, ranging from AMY-101, which completed a Phase 2 randomized controlled trial resolving gingivitis in 21 days, to community-reported compounds like BPC-157 and KPV that have no gum-specific clinical trial data but a substantial track record in off-label use. The compounds are ordered by how prominently each appears in research and documented real-world use, not as a recommendation of one over another. The field spans antimicrobial peptides that target periodontal bacteria directly, anti-inflammatory options that interrupt the immune cascade driving tissue destruction, and regenerative compounds aimed at rebuilding what the disease has already damaged.

Oral Dental Health 12 min read