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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 Joint Pain

Five peptides consistently come up when people research joint pain relief: hydrolyzed collagen peptides, BPC-157, TB-500, GHK-Cu, and Sigumir. They range from an over-the-counter supplement backed by multiple human trials to injectable research compounds used off-label with limited clinical data. This guide covers each one honestly, explaining what it is, how people use it for joint pain, and where the evidence actually stands. The compounds are ordered by how prominently each appears in research and real-world use, not ranked as a recommendation of one over another, and the personalized decision belongs in the MyPeptidePal app.

Bone Joint Health 10 min read

7 Best Peptides for Rheumatoid Arthritis

Rheumatoid arthritis sits at the harder end of the peptide landscape: the immune dysfunction driving the disease is complex, no peptide is FDA-approved for RA, and the evidence behind most commonly used compounds is preclinical or community-reported rather than clinical. That reality does not stop people from using them. This guide covers the seven peptides people actually reach for or actively discuss for RA, from Thymosin Alpha-1 and KPV to BPC-157, TB-500, and the research-stage compounds VIP and PEPITEM that science has moved further along but that are not yet available in practice. The entries are ordered by how prominently each compound appears in research and real-world RA discussions, not as a ranking of one being better than another for any individual.

Autoimmune Disorders 13 min read

6 Best Peptides for Osteoarthritis

Six peptides come up consistently when people research osteoarthritis relief and cartilage support: BPC-157 and TB-500 for connective tissue repair, GHK-Cu for tissue remodeling and oxidative stress reduction, Sigumir and Cartalax from the Russian peptide bioregulator tradition for cartilage-specific cellular signaling, and AOD-9604 for stem-cell-driven cartilage regeneration. The evidence behind each one looks genuinely different, ranging from animal models and community protocols to small observational studies and a distinct body of Eastern European clinical work, and this guide covers that honest range. The compounds are ordered by how prominently each appears in research and real-world use for osteoarthritis, not ranked as recommendations from best to worst. Turning that landscape into a personalized plan is what MyPeptidePal does.

Bone Joint Health 10 min read

7 Best Peptides for Arthritis

Seven peptides come up consistently in arthritis discussions, ranging from compounds with published human trial data to research chemicals whose use is largely community-reported and preclinical. This guide covers the ones people actually use or are actively talking about for joint pain, cartilage repair, and inflammation, including BPC-157, TB-500, GHK-Cu, collagen peptides, Sigumir, AOD-9604, and KPV. The entries are ordered by how prominently each compound appears in research and real-world use, not as a ranking of one option over another. Understanding which compounds are in the conversation is the first step; the right choice for your specific situation is what the MyPeptidePal app helps you work out.

Bone Joint Health 11 min read

7 Best Peptides for Cartilage Repair

Cartilage repair is one of the most discussed goals in the peptide community, and for understandable reasons: cartilage has almost no ability to heal itself without help, and the conventional medical toolkit is limited. Seven compounds show up consistently when people research or discuss this goal, with BPC-157 and TB-500 sitting at the center of most protocols and GHK-Cu, AOD-9604, Cartalax, Sigumir, and P15-1 filling out the field depending on the injury type and stage of healing. None of these is FDA-approved for cartilage repair as of 2026, and the human trial data ranges from sparse to nonexistent for most of them. This guide covers each compound in turn, explaining what it is, how people use it for cartilage repair, and where the evidence honestly stands. The entries are ordered by how prominently each compound appears in research and real-world use, not as a recommendation of one over another.

Bone Joint Health 11 min read

6 Best Peptides for Ligament Injury

Ligament injuries draw interest from a growing number of people exploring peptides to support the notoriously slow repair process, and six compounds show up consistently in research and community use for this goal: BPC-157 and TB-500 as the most discussed direct repair options, GHK-Cu for collagen remodeling, KPV for inflammation control, CJC-1295 with Ipamorelin for hormonal support, and hydrolyzed collagen peptides as the most clinically supported option overall. The field is defined by a wide gap between strong animal model data and a thin human clinical record, and each entry below names exactly where that line falls for each compound. The list is ordered by how prominently each compound appears in research and real-world use for ligament injury, not as a recommendation of one over another.

Injury Recovery 12 min read

5 Best Peptides for Tendinitis

Five peptides come up repeatedly when people look for compound-based support for tendon recovery: BPC-157, TB-500, GHK-Cu, growth hormone releasers, and hydrolyzed collagen peptides. The evidence behind them varies enormously, from collagen peptides backed by multiple randomized controlled trials to injectable research compounds whose human evidence base is nearly absent. This guide covers all five in turn, explaining what each one is, how people use it for tendinitis, and where the evidence honestly stands. The compounds are ordered by how prominently they appear in research and real-world use, not ranked as a recommendation of one over another, and the personalized next step belongs in the MyPeptidePal app.

Injury Recovery 12 min read

6 Best Peptides for Tendon Repair

Six peptides dominate the tendon repair conversation in 2026, from BPC-157 and TB-500, the most widely used injectable research compounds, to oral hydrolyzed collagen, the one option backed by genuine controlled human trials. The field is split: the animal research on injectable peptides is genuinely compelling, while the human clinical data is thin across the board. This guide walks through each compound in order of how prominently it appears in research and real-world use for tendon repair, not as a ranking of which one is right for you, because that decision depends on factors a personalized plan needs to weigh.

Injury Recovery 12 min read

6 Best Peptides for H. pylori

No peptide has been approved to treat H. pylori, and as of 2026, none has completed a human clinical trial for this indication. What exists is a genuinely interesting field of six compounds that people discuss and, in some cases, use alongside or after standard antibiotic therapy: LL-37, the human antimicrobial peptide H. pylori actively works to suppress; BPC-157, the gastroprotective compound with the strongest anecdotal following in the H. pylori community; KPV, an anti-inflammatory tripeptide whose mechanism lines up directly with how H. pylori damages the gastric lining; and three research-stage antimicrobial peptides that have shown meaningful activity in preclinical work. The entries are ordered by how prominently each compound appears in research and real-world discussion, not as a recommendation of one over another, and the honest state of the evidence, which is almost entirely preclinical or experiential, is stated plainly for each.

Gut Health 11 min read

6 Best Peptides for Bloating

Chronic bloating tied to gut inflammation, intestinal permeability, or IBS has sent a growing number of people toward peptide therapy and related gut compounds. The field runs from research peptides with strong community-reported results but almost no human trial data, to dietary supplement compounds with small but genuine clinical evidence, to an investigational drug with completed human trials on gut barrier integrity. This guide covers six compounds people actually use or are actively discussing for bloating, ordered by how prominently each appears in research and real-world use, not as a ranking of one being better than another for you. The right compound depends on the root cause of your bloating, your health history, and what you build with a personalized plan.

Gut Health 11 min read

6 Best Peptides for Gastroparesis

Gastroparesis has one of the thinnest standard-of-care options of any chronic gut condition, which is why people increasingly look at research-grade peptides. This guide covers six compounds people use or are actively researching for gastroparesis: one with Phase 3 clinical trial data, two with substantial preclinical mechanistic evidence and real community use, two more targeting root-cause cellular damage, and one that established proof-of-concept for the ghrelin pathway in human studies. They are numbered by how prominently each appears in published research and documented real-world use, not ranked as recommendations from best to worst. The right compound depends on your specific situation and what you build with clinical guidance.

Gut Health 11 min read

5 Best Peptides for Diverticulitis

No peptide has been approved for diverticulitis, and no large-scale human trial has tested one for it, yet a real and active field of experimentation has emerged around this condition. People living with chronic or recurrent diverticulitis are turning to compounds like BPC-157, KPV, TB-500, collagen peptides, and larazotide, sharing detailed protocols in patient communities and seeking out regenerative medicine clinics when conventional management falls short. This guide walks through each compound people actually use or discuss for diverticulitis, what it is, how people apply it to this condition, and what the evidence honestly shows. The entries are ordered by how prominently each appears in research and real-world use, not as a ranking of one over another, and the personalized plan belongs in the MyPeptidePal app.

Gut Health 9 min read

6 Best Peptides for Colitis

Six peptides appear most prominently in the research and real-world protocols people pursue for colitis, ranging from BPC-157, the most heavily studied in preclinical gut-healing literature, to immune modulators like Thymosin Alpha-1 and barrier-focused options like Larazotide. The evidence across this field is mostly preclinical, with the strongest human data coming from related compounds rather than the peptides themselves, and every entry below states that honestly. These six are ordered by how prominently each shows up in the combined body of research and documented use, not ranked as a recommendation of one over another, and the right choice for any individual depends on the specific driver of their condition.

Gut Health 11 min read

5 Best Peptides for Gluten Sensitivity

People researching peptides for gluten sensitivity find a field unlike most: no peptide is approved for celiac disease or non-celiac gluten sensitivity, the strongest clinical data belongs to an experimental compound that has not yet reached approval, and several of the most widely used options rest on functional medicine practice and community-reported experience. This guide covers the five peptides people actually reach for, from Larazotide, the only one with published Phase 2 human trial data, to BPC-157, KPV, VIP, and Thymosin Beta-4, each used for gut recovery, inflammation support, or immune modulation. The entries are numbered by how prominently each compound appears in research and real-world use, not as a recommendation of one over another, and the personalized decision belongs in the hands of a qualified practitioner and the MyPeptidePal app.

Gut Health 9 min read

6 Best Peptides for Celiac Disease

Celiac disease has no FDA-approved drug therapy as of 2026, which means people with the condition navigate a mix of clinical-trial compounds, functional medicine peptides, and research-only options. This guide covers six peptides most commonly used or actively discussed for celiac disease support, from larazotide acetate, the most clinically studied option in the field, to functional medicine staples like KPV and BPC-157. The entries are ordered by how prominently each compound appears in research and real-world use, not as a recommendation of one over another. The honest shape of this field is that no peptide replaces a gluten-free diet, and the evidence behind each option varies considerably from one compound to the next.

Gut Health 10 min read