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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

Best Supplements to Take With Tirzepatide

Tirzepatide is the only approved single-molecule dual incretin agonist, activating both the GIP and GLP-1 receptors simultaneously. That dual action produces greater weight loss than any GLP-1 medication alone, and it also produces a steeper drop in food intake, which means the body's requirements for vitamins, minerals, and protein stay constant while the amount of each coming in from food falls sharply. The supplements that matter most on tirzepatide are the ones that close that gap: protein and creatine to defend the lean mass that rapid, deep weight loss otherwise strips away, vitamin D and B12 because deficiency rates climb measurably within six months of starting, iron because ferritin levels fall roughly 26 to 30 percent compared to people not on the drug, and ginger because the nausea is real and ginger has actual trial data behind it. This guide explains why each one earns its place on tirzepatide specifically, and hands the amounts to the MyPeptidePal app, because the right dose of each depends on your protocol, your bloodwork, and what else you are already taking.

Tirzepatide 17 min read

Best Supplements to Take With Retatrutide

Retatrutide is the first triple-hormone receptor agonist to reach late-stage clinical trials, simultaneously activating the GLP-1, GIP, and glucagon receptors in a way no other weight-loss drug currently does. The glucagon arm is what sets it apart from tirzepatide and semaglutide: it raises energy expenditure directly and drives amino acid breakdown in the liver for fuel, which means the nutritional demands on your body are genuinely higher than on any GLP-1-only drug at equivalent weight loss. The supplements that matter most are the ones that close the gaps this combination opens: protein and creatine to defend the lean mass that rapid loss would otherwise take, vitamin D and iron to catch the deficiencies that quietly kill energy and exercise tolerance, and ginger and magnesium to blunt GI side effects that are more intense on retatrutide than on its siblings. This guide explains why each one earns its slot for this compound specifically, and hands the amounts to the MyPeptidePal app, because the right dose depends on your protocol, your bloodwork, and what else you are taking.

Retatrutide 16 min read

Best Supplements to Take With Semaglutide

Semaglutide suppresses appetite through GLP-1 receptors in the brain and gut, reliably cutting how much you eat while your body's need for protein, vitamins, and minerals stays exactly where it was. It also slows digestion in a way that measurably reduces iron absorption, independent of how much iron-rich food you eat. The supplements that matter most are the ones built around those two realities: protein and creatine to defend the lean mass that rapid weight loss otherwise strips, a targeted set of nutrients to close the gaps that open when intake drops significantly, and ginger plus magnesium to take the edge off the GI side effects that make the early weeks hard. This guide explains why each one earns its slot on semaglutide specifically, and routes the amounts to the MyPeptidePal app, because the right dose of each depends on your protocol, your bloodwork, and what else you are already taking.

Semaglutide 16 min read

Best Supplements to Take With BPC-157

BPC-157 sends a repair signal into tissue, but that signal is only as powerful as the raw materials and cofactors the body has on hand to act on it. The supplements that matter most on this compound are the ones that let the repair actually complete: vitamin C and zinc, because the enzymes that stitch collagen together cannot function without them; iron and vitamin D if either is low, because their deficiency puts a hard ceiling on tissue healing regardless of what the peptide is doing; and collagen peptides and omega-3s, because one provides the substrate the repair process consumes and the other helps clear the inflammatory environment so remodeling can finish. This guide explains why each earns its slot specifically on BPC-157 and hands the amounts to the MyPeptidePal app, because the right dose of each depends on your protocol, your bloodwork, and what you are already taking.

Bpc 157 15 min read

7 Best Peptides for Biological Age Reduction

People pursuing biological age reduction work with a wider field of peptides than most guides acknowledge, from the telomerase-activating Epitalon, which anchors most longevity protocols in the biohacking community, to FDA-approved GLP-1 drugs like semaglutide, which produced the strongest human trial data for slowing epigenetic aging pace. This guide covers seven compounds people actually use or actively discuss for this goal, ordered by how prominently each appears in the research and in real-world use, not as a verdict on which compound is best for any individual. Evidence quality varies widely across these options, and each entry describes that variation honestly.

Longevity 11 min read

7 Best Peptides for Inflammaging

Inflammaging, the chronic low-grade inflammation that accumulates silently with age, is considered a central driver of cardiovascular disease, neurodegeneration, metabolic decline, and most other serious age-related conditions. Seven peptides are actively used and discussed for addressing it in 2026, ranging from SS-31, which has completed Phase II clinical trials, to mitochondria-derived MOTS-c, whose evidence is preclinical but whose biological rationale draws growing research interest. The compounds below are ordered by how prominently each appears in research and documented real-world use, not as a recommendation of one over another. Because inflammaging has multiple biological drivers, the peptide that fits a given person depends on which driver is most prominent, and that decision belongs in a personalized plan.

Inflammation 12 min read

7 Best Peptides for HPV

People searching for peptides related to HPV encounter a landscape that looks genuinely different from most peptide goals. No peptide compound is currently approved for treating or preventing HPV infection, and the compounds that appear in research and community discussion fall across three broad categories: an immunomodulator used to support immune function generally, therapeutic peptide vaccine candidates currently in clinical trials that target HPV-16 oncoproteins directly, and preclinical antiviral peptides that show real biological activity in laboratory models but have not yet reached human use. This guide covers seven compounds that appear in published research or active discussion in relation to HPV, with each one's evidence described honestly. The ordering reflects how prominently each compound appears in research and real-world discussion, not a recommendation of one over another.

Infection 11 min read

7 Best Peptides for Pancreatitis

Pancreatitis sits in a complicated corner of the peptide world. No peptide has cleared a human clinical trial as a primary therapy for pancreatic inflammation, yet a genuine field of compounds exists that people actively use and discuss for this goal, from BPC-157 with its real preclinical data and consistent community following, to research bioregulators like Pancragen and Suprefort, to the one compound with an established clinical role in managing pancreatitis complications. This guide covers all seven peptides people actually reach for when dealing with pancreatitis, with the evidence stated honestly for each. The compounds are ordered by how prominently they appear in research and documented real-world use, not ranked as a recommendation of one over another. Personalized guidance belongs in the MyPeptidePal app, not in a list.

Gut Health 11 min read

6 Best Peptides for Ankylosing Spondylitis

Ankylosing spondylitis is one of the more complex conditions people bring to peptide research, and the field of compounds being used or discussed for it is wider than most guides acknowledge. This article covers six peptides that appear consistently in AS community protocols and discussion, from BPC-157 and its gut-joint axis rationale to Tirzepatide, an FDA-approved peptide drug being used off-label by AS patients for its anti-inflammatory effects. No peptide has been tested in a human clinical trial specifically for AS as of 2026, so each entry is honest about where its evidence stands: some compounds have preclinical animal data in spondyloarthritis models, some rest on user-reported community experience, and a few have both. The compounds are ordered by how prominently each appears in research and real-world AS-specific use, not as a ranking of which is best for any individual.

Autoimmune Disorders 11 min read

7 Best Peptides for Autism

People exploring peptide options for autism spectrum disorder are working with a field that spans compounds with genuine clinical trial data, compounds used in integrative protocols for co-occurring symptoms, and several whose evidence is largely community-reported. This guide covers seven peptides people actually use or are actively discussing for ASD, from oxytocin, which has the strongest randomized trial record for social functioning in autism, to compounds targeting anxiety, gut health, cognition, and neuroinflammation. The entries are ordered by how prominently each compound appears in research and documented real-world use, not ranked as personal recommendations, and choosing among them depends on which symptoms are most pressing and what a person's full health picture looks like.

Cognitive Enhancement 12 min read

6 Best Peptides for Neuroplasticity

Six peptides stand out as the compounds people most commonly use or discuss for neuroplasticity, the brain's capacity to form new connections, grow new neurons, and strengthen the pathways that learning and memory depend on. They range from Cerebrolysin, which carries the strongest human clinical evidence of any compound in this space, to Dihexa, a research-only compound with striking preclinical potency but no published human efficacy data, and PE-22-28, a peptide currently in an ongoing Phase II trial. The entries are ordered by how prominently each compound appears in research and real-world use, not as a recommendation of one over another. Choosing the right option depends on your specific goals, your health history, and the personalized plan you build from there.

Cognitive Enhancement 11 min read

6 Best Peptides for TMJ Disorder

People dealing with TMJ disorder most often reach for a small set of peptides spanning joint repair, muscle recovery, and inflammation control, with BPC-157 and TB-500 appearing most frequently in community protocols and GHK-Cu, hydrolyzed collagen peptides, KPV, and Selank rounding out the field. No peptide has completed a randomized controlled trial specifically for TMJ disorder as of 2026, so the evidence for every compound here is some combination of animal research, general joint-health extrapolation, and user-reported experience. This guide covers all six compounds in turn, grading the evidence honestly for each and explaining how people use them for this goal. The entries are ordered by how prominently each compound appears in research and documented real-world use, not ranked as recommendations from best to worst, and the personalized decision belongs in the MyPeptidePal app.

Oral Dental Health 10 min read

4 Best Peptides for Bursitis

When it comes to bursitis, the peptide conversation centers on a small, specific set of compounds: BPC-157 and TB-500 dominate the discussion, with GHK-Cu and KPV appearing regularly as additions in more involved protocols. No peptide is FDA-approved for bursitis, and no randomized controlled trial has studied any of them specifically for this condition in humans. What exists is preclinical animal data, a handful of mechanistic studies, and a substantial body of user-reported experience from community protocols. This guide covers the four compounds people most commonly use or actively discuss for bursitis, ordered by how prominently each appears in the research and in documented real-world use, not as a ranking of one being better than another for any individual.

Injury Recovery 10 min read

5 Best Peptides for Meniscus Tear

When a meniscus tear stalls or resists standard treatment, peptides enter the conversation quickly, and the field for this injury is anchored by two compounds: BPC-157 and TB-500. Both address the core biological reason meniscus injuries are so stubborn, the inner two-thirds of the tissue have no blood supply, which blocks delivery of the repair signals that heal other injuries. This guide covers the five peptides people actually use or actively discuss for meniscus tear recovery, from the most studied options to those whose evidence remains largely user-reported. The compounds are ordered by how prominently each appears in research and real-world use, not ranked as personal recommendations, and the app is where a personalized plan gets built.

Injury Recovery 10 min read

5 Best Peptides for Tennis Elbow (Epicondylitis)

Tennis elbow is a degenerative tendon condition that standard care often fails to resolve structurally, and a growing number of people have turned to peptides as part of their recovery approach. Five compounds come up most consistently in this conversation: BPC-157 and TB-500 lead community use by a wide margin, GHK-Cu adds collagen-quality support in the later repair phase, KPV serves as an adjunct for pain management, and clinical-grade collagen peptides represent the only category with genuine human randomized trial data specifically for lateral epicondylitis. The entries below are ordered by how prominently each compound appears in research and real-world use, not ranked as a recommendation of one over another. The right fit depends on your specific injury, health history, and goals, which is exactly what the MyPeptidePal app is built to help you work through.

Injury Recovery 12 min read