Peptides and Modern Treatment
What is this, actually?
Plain-language explainers for the treatments we offer: what each one is, how it works, what to expect, and how to use it.
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- Step 1Explainer7 min read
What Are Peptides? A Plain-Language Guide to the Ones Doctors Actually Prescribe
Peptides are short chains of amino acids that your body uses as signals. A few are prescription medications with decades of use: sermorelin for sleep and recovery, PT-141 for desire, and the GLP-1 medications for weight. Here is what a peptide is, how the prescribed ones work, and how they differ from what is sold online.
- Step 2Research9 min read
Do Peptides Actually Work?
Peptide therapy is having a moment, and the marketing claims have gotten ahead of the science. Here's a clear-eyed assessment of what peptides actually do, and what they don't, based on the available evidence.
- Step 3Explainer6 min read
NAD+ Injections: What They Are, What to Expect, and How the Protocol Works
NAD+ injections are subcutaneous, not IV, and most people take them at home several times a week. Here is what the injection involves, what people tend to notice, and how the protocol is structured.
Explainers
Peptides, Without the Hype
What Is a Compounding Pharmacy? How Compounded Medications Are Made, Regulated, and Prescribed
A compounding pharmacy is a licensed pharmacy that prepares a medication to one patient's prescription, in a dose or form that is not sold ready-made. Here is what a compounding pharmacist does, who inspects the pharmacy, what "not FDA-approved" means for a compounded medication, and how to check the pharmacy on your label.
What Is a GLP-1? How These Medications Work, in Plain Language
GLP-1 is a hormone your gut releases after a meal to tell your brain you are full. The medications called GLP-1s, semaglutide and tirzepatide, are longer-lasting copies of it, taken once a week to lower appetite. Here is what the hormone does, how the medications differ from it, what the trials showed, and what taking one involves.
What Is Sermorelin? A Plain-Language Guide
Sermorelin is a synthetic signal that tells your pituitary to produce more of your own growth hormone. It doesn't add synthetic GH from outside. It restores the instruction your brain makes less of as you age.
What Glutathione Does for Your Skin (And Why Injectable Works Better Than Oral)
Glutathione is the body's primary antioxidant, and skin is one of the first places lower levels show up. The research on injectable glutathione and skin quality is solid. Oral and liposomal options are popular but deliver a fraction of what injectable does.
Glutathione and Aging: Why Your Levels Drop and What Happens Next
Glutathione is the molecule your body makes to clean up the oxidative damage cells accumulate every day. By the time most people reach their 60s, levels have dropped roughly in half from what they were at 20. Here's what that decline means and what actually addresses it.
Sermorelin Benefits: What the Peptide Actually Does and Who It Fits
Sermorelin signals your pituitary to release more of your own growth hormone, and better sleep is usually the first thing people notice. Here is what the research shows, what patients report over the first few months, and who the protocol tends to fit.
Sermorelin and Sleep: How It Works and What to Expect
Better sleep is usually the first thing people notice on sermorelin, often starting in weeks two or three. Here's the mechanism behind it, what the timeline looks like, and what tends to follow.
What Glutathione Does, and Why the Injection Form Matters
Glutathione is the body's primary antioxidant, made inside every cell, essential for immunity, detox, and cellular energy. Oral supplements mostly don't survive digestion. The injectable form does. Here's what it actually does and how to get it through a licensed physician.
Methylene Blue Benefits: What Low-Dose Actually Does for Focus and Energy
Methylene blue has been around for over a century, what's new is the low-dose cognitive research. Here's what it actually does, who it tends to fit, the one interaction that matters, and how it's prescribed.
NAD+ Protocols Explained: Why Injectable Beats Oral Every Time
NAD+ is the coenzyme your cells run on, and its age-related decline is one of the clearest biomarkers of aging. Here's what the research says about injectable NAD+, how it's dosed, and why the biohacker community has moved toward it.
Peptide Stacking: Why Serious Biohackers Layer Multiple Protocols at Once
Peptide stacking, the practice of using two or more peptides simultaneously, is one of the most discussed topics in peptide therapy. When done under physician guidance, strategic combinations can produce synergistic effects that exceed what any single peptide achieves alone.
How Long Until Peptides Start Working? A Realistic Timeline
Patient question we hear constantly: when will I notice results? The real answer varies by peptide, condition, and individual, but here's a realistic timeline based on what the research and clinical experience actually show.
Can I Take Peptides With My Current Medications? Drug Interaction Guide
Peptides interact with biological pathways that overlap with many common medications. Here's what to know about combining peptide therapy with prescription drugs, supplements, and over-the-counter medications.
Symptoms and causes
What Is This, Actually?
Waking Up Tired After 8 Hours of Sleep: Why It Happens After 40 and What Helps
Getting a full night on paper but waking up unrefreshed is common after 40. The usual cause is a change in sleep depth, not duration. Here is what shifts, what else to rule out, and what tends to help.
Sore for Days After a Workout at 45? Why Recovery Slows After 40 and What Helps
Needing two or three days to recover from a workout that used to only take one is common after 40. Overnight repair slows as growth hormone output drops. Here is what changed, how to train around it, and what helps.
The Afternoon Energy Crash: Why It Gets Worse After 40 and What Actually Helps
Everyone's alertness dips in the early afternoon. After 40, lighter sleep, falling NAD+ levels, and hormone shifts make the dip deeper and harder to shake. Here is what causes the 2 PM slump, what helps today, when to see a doctor, and where NAD+ fits.
Why Sleep Gets Lighter and Recovery Takes Longer as You Age
Sleep that used to be solid gets lighter. A hard day takes two or three to shake off. Both track the same overnight process, and most people never hear that the two are connected.
NAD+ for Fatigue: Why Energy Declines and What the Injection Does About It
Persistent fatigue that sleep does not fix often traces to how efficiently your cells make energy, and NAD+ is at the center of that process. Here is what the decline looks like and why the injection form works when supplements do not.
Brain Fog Treatment: Why It Starts at the Cell Level
Brain fog is shorthand for a cluster of symptoms, slowed thinking, word retrieval problems, difficulty focusing, that often trace back to how efficiently your brain cells produce energy. Here's what's usually driving it and what actually helps.
NAD+ and Perimenopause: Why You're Still Tired After HRT
Perimenopause is a hormonal transition. But the fatigue that comes with it has a second driver, NAD+ levels fall faster in your 40s than age alone predicts, because estrogen is part of what keeps NAD+ production running. Here's how the two declines interact and why some women add NAD+ to their HRT regimen.
Methylene Blue for Brain Fog: What the Research Shows
Brain fog, the combination of slowed thinking, word retrieval problems, and difficulty sustaining attention, often traces back to how efficiently the brain produces energy at the cellular level. Methylene blue addresses exactly that pathway. Here's what the early research shows and who it fits.
How-to guides
Worth Knowing Before You Try It
What to Expect on PT-141 as a Man: The First Dose, the First Month, and How to Get the Most From It
PT-141 for men is an as-needed injection taken about 45 minutes before intimacy. Most men feel the first dose within the first hours as stronger desire and easier arousal, sometimes with nausea or flushing. The first two or three uses are a calibration period. Here is what each step feels like and how to set up the first month.
PT-141 Dosage for Men: How It's Prescribed, When to Take It, and How Long It Lasts
PT-141 for men is a small injection taken as needed about 45 minutes before intimacy, with a published ceiling of one dose in 24 hours and eight in a month. Here is what the FDA label says, how a physician sets your dose, and what the first few uses are like.
NAD+ Subcutaneous Without the Chest-Pressure Feeling: A Titration Guide
You did your first 100mg NAD+ injection, felt the wave of chest pressure and anxiety that nobody warned you about, and you're trying to figure out whether you can salvage the protocol. Yes, here's the titration approach that gets you past the first-dose problem.
Methylene Blue Capsules: How to Read Your Dosing Instructions
Your methylene blue came as a capsule, not an injection. Here's how to read your prescription in plain English, when to take it, why your urine turns blue, and the one drug interaction to keep in mind. Your exact instructions live in your patient portal.
Sermorelin Injections: How to Read Your Dosing Instructions
If your sermorelin instructions read like a math problem, you're not alone, the units-and-vials part trips up almost everyone. Here's how to read a typical sermorelin instruction in plain English. Your exact dose, schedule, and form live in your patient portal.
NAD+ Injections: How to Read Your Dosing Instructions
If your NAD+ instructions have you starting at one dose and increasing it week by week, that's normal, and there's a reason. Plain-English read of a typical NAD+ instruction, including the titration and the flush most people feel.
Glutathione Injections: How to Read Your Dosing Instructions
If your glutathione came as an injection and the units-and-vials part looks like a math problem, here's how to read a typical instruction in plain English. Your exact dose and schedule live in your patient portal.
Comparisons
Worth Knowing Before You Try It
Glutathione IV Therapy vs At-Home Injections: What the Difference Actually Means
IV glutathione and at-home subcutaneous injections deliver the same molecule. The real difference is how often you can dose and what it costs to do it regularly. Here's what actually matters.
NAD+ Injections vs Oral NMN: Bioavailability, Cost, and Why Biohackers Picked a Side
NAD+ precursors come in several forms: injectable NAD+, oral NMN, oral NR, and IV. The bioavailability debate between them is one of the more technical arguments in the longevity space. Here's what the published research on tissue-level NAD+ actually shows.
Research and evidence
Peptides, Without the Hype
Is Methylene Blue Safe? Side Effects, Drug Interactions, and Who Should Avoid It
At the low doses used for cognitive support, methylene blue is well tolerated by most healthy adults. The main concern is an interaction with serotonergic medications. Here's what the evidence shows and what to tell your provider.
How Long Does Sermorelin Take to Work? A Month-by-Month Guide
Sleep usually shifts within the first few weeks. Recovery and energy follow in month two. Body composition changes take three to six months. Here's what to expect from sermorelin and when.
Does Sermorelin Work? What the Research Shows
Better sleep in the first few weeks. Steadier energy by month two or three. Body composition changes over months four through six. That's the pattern most people report, and there's published research behind why it happens in that order.
Methylene Blue While On An SSRI: The Conversation Nobody's Having Clearly
Methylene blue showed up in your podcast feed via Huberman or Bryan Johnson, and you tried to look up whether it's safe alongside your Lexapro. The internet handed you a mess of conflicting takes. Here's the straight version, including the part most articles bury about a real, documented drug interaction.
Quercetin, Fisetin, and the Senolytic Category: What's Real and What's Hype
Senolytics, compounds that selectively kill senescent cells, are one of the most interesting emerging categories in aging biology. The research is genuinely exciting, the consumer marketing has gotten ahead of the science, and the line between promising biology and evidence-based intervention is especially blurry here.
Sermorelin and Body Composition: What the 12-Week Timeline Actually Looks Like
Sermorelin is commonly prescribed off-label for body composition support, but the research timeline for what changes at 6 weeks, 12 weeks, and 6 months is more specific than most marketing copy suggests. Here's a review of what published trials have actually measured.
Metformin for Longevity: Why Peter Attia Reconsidered His Position
Metformin was the default longevity drug in the 2010s. Then Peter Attia publicly reversed on it, citing research showing it blunts the mitochondrial adaptations to exercise. A clear look at why the informed-biohacker consensus has cooled.