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Different molecules absorb differently. Some require injection to bypass digestion. Others reach the brain through the nasal mucosa. Below is what each delivery format does and how it is used.
A small needle into the fat layer just under the skin. Painless and self-administered. Used for most peptides.
A longer needle into muscle (typically thigh or glute). Route for some peptides requiring deep tissue depot.
A small lozenge dissolved between cheek and gum, or under the tongue. Bypasses the liver for steady systemic absorption. No needles.
A thin tablet that dissolves on the tongue within seconds. Convenient for daily dosing where rapid absorption matters.
A metered spray into the nasal cavity. The nasal mucosa is highly vascular and crosses to brain tissue, useful for cognitive and central effects.
Applied to the skin. Works locally for dermatologic compounds (tretinoin) or systemically for transdermal hormones.
A cream specifically formulated to drive its active ingredient through the skin into the bloodstream.
Swallowed whole and absorbed through the gut. The simplest route. Used where the molecule is stable through first-pass metabolism.
A measured liquid taken by mouth. Useful for variable dosing or where capsules cannot deliver the right concentration.
Take our peptide match assessment. If you want a more tailored prescription drawn from our full formulary, book an appointment with our clinician.
Book AppointmentTirzepatide is the next evolution of GLP-1 therapy. It works on two appetite-regulating pathways at once (GLP-1 and GIP), giving it a stronger effect than medications that work on only one.
How it works
What patients see
Semaglutide changed weight management. It mimics a natural gut hormone (GLP-1) that signals fullness, quiets cravings, and slows digestion. The result: meaningful, sustained weight loss without surgery.
How it works
What patients see
Lipo-C is an injectable blend that supports your body's natural fat-burning process. Four ingredients work together to help your liver process fat, mobilize stored fat for energy, and keep your metabolism running efficiently. Typically dosed 1-2 injections per week.
The four ingredients
When it helps most
Sermorelin signals your body to make more of its own growth hormone, which naturally targets belly fat. Growth hormone declines roughly 14% per decade after age 30, which is part of why belly fat accumulates more easily with age.
Why it targets belly fat specifically
What patients notice
Why it pairs with GLP-1 medications. GLP-1 medications quiet appetite. Sermorelin works on body composition and belly fat, the side appetite suppression alone cannot reach.
Tesamorelin is a stronger, longer-lasting version of Sermorelin with one specific FDA-approved use: reducing visceral (belly) fat. It is the right tool when belly fat is the main problem and GLP-1 medications haven't been enough.
Why belly fat is the right target
How it differs from Sermorelin
What patients see
Best for
PT-141 works differently than most sexual function medications. While drugs like Viagra and Cialis increase blood flow, PT-141 works in the brain itself, targeting desire and arousal at their source.
How it works
What patients see
Effects last 6 to 12 hours - letting intimacy happen on its own timing, not on a pill's clock.
Oxytocin is the bonding hormone that drives intimacy, trust, and sexual connection. Released naturally during touch, eye contact, and orgasm, it shapes how connected and present we feel during sex.
What oxytocin does
Can help with
Pairs particularly well with PT-141 - oxytocin adds the emotional warmth PT-141's arousal effect doesn't reach on its own.
These blends combine arousal and connection in a single tablet. PT-141 drives desire and arousal; Oxytocin adds emotional warmth and presence. Together they cover both sides of sexual experience - physical and emotional - in one dose.
Three strengths to choose from
Timing
These topicals address the local tissue side of female sexual wellness that pills and injections cannot reach. Both deliver oxytocin directly to the tissue where comfort and sensation begin, paired with active ingredients for two distinct goals.
Oxytocin Daily Replenish - for daily tissue health
Oxytocin Euphoria - for situational pleasure
Many patients use both - Daily Replenish daily for comfort that builds over weeks, Euphoria in the moment for immediate sensation and arousal.
NAD sits at the center of how your body ages. It is the fuel that powers sirtuins, a family of enzymes researchers call the "master regulators of aging." By middle age, NAD levels drop to about half of what you had at 20 - and without enough NAD, your cells' anti-aging machinery cannot function.
What sirtuins do (and why NAD matters)
What happens when NAD declines
What patients report after NAD replenishment
NAD replenishment is one of the most studied interventions in longevity medicine - it restores the fuel every major anti-aging pathway depends on.
Glutathione is more than an antioxidant - it is the body's master regulator of cellular cleanup. Its decline is not just a consequence of aging; it is one of the drivers of aging. When glutathione falls, oxidative damage accumulates, toxins build up, and your cells' protective system loses its edge.
What glutathione does
Why mitochondrial protection matters
A foundational longevity intervention - many longevity practitioners consider glutathione the base layer that every other intervention builds on.
Growth hormone decline is one of the most consequential hormonal changes of aging. GH drops about 14% per decade after 30 - by 60, many adults produce a fraction of what they had in their 20s. Sermorelin signals your body to make more of its own GH, restoring youthful levels without overriding the body's natural rhythm.
What GH decline causes
Why sermorelin's approach matters
What patients report
Tesamorelin is a stronger, longer-lasting cousin of Sermorelin with one specific value in longevity: it targets visceral (belly) fat, the kind of fat that actively accelerates biological aging.
Why visceral fat matters for aging
How tesamorelin differs from sermorelin
What patients see
Restorative sleep is when your body repairs tissue, consolidates memory, clears metabolic waste, and rebalances hormones. Your protocol targets the neurochemical and hormonal systems that govern sleep architecture, helping you fall asleep faster, stay asleep longer, and wake up genuinely restored.
NAD plays an underappreciated role in sleep. It powers SIRT1, the enzyme that controls your body's internal clock - the system that governs your sleep-wake cycle, melatonin release, body temperature, and cortisol rhythms. As NAD declines with age, that internal clock loses precision.
What your internal clock controls
Why aging disrupts sleep
What NAD replenishment does for sleep
Sleep is when your body cleans house. Glutathione is the body's master cleanup molecule, and its work ramps up dramatically while you sleep. If glutathione is depleted, you sleep but you don't actually recover.
What sleep is supposed to clear
How glutathione does overnight repair
What depletes glutathione
Signs of depleted glutathione
What replenishment helps with
Sermorelin's biggest sleep benefit is amplifying the growth hormone surge that powers deep sleep. The largest natural GH release of the day happens during deep (Stage 3) sleep - and sermorelin makes that pulse stronger, which in turn makes deep sleep deeper.
The sleep-GH cycle
Why deep sleep matters
Why sleep deteriorates with age
What patients report
Tesamorelin is a stronger, longer-lasting cousin of sermorelin - better suited when sleep has deteriorated significantly. Like sermorelin, it amplifies the GH pulse that drives deep sleep, but its longer-lasting effect produces more sustained restoration.
How tesamorelin differs for sleep
The hidden sleep saboteur tesamorelin can address
What deep sleep restores
What patients report
Your body's ability to recover, perform, and sustain energy depends on what's happening inside your cells. This protocol targets the mitochondrial pathways, antioxidant systems, and nutrient foundations that power physical resilience.
NAD is the fuel your cells use to make energy. Every physical effort burns through NAD, and as we age, baseline levels naturally drop. The result: workouts take longer to bounce back from, energy fades earlier in the day, and fatigue becomes harder to shake.
What NAD does during recovery
What NAD replenishment does
Hard exercise generates a lot of cellular stress. Your oxygen use during a tough workout can jump 10 to 20 times higher than at rest, and your working muscles produce a flood of free radicals. Some of this stress is good - it makes you stronger. Too much of it damages muscle tissue and slows recovery. Glutathione is the body's main defense against this damage.
What glutathione does during recovery
What glutathione replenishment does
Growth hormone is the body's master recovery hormone - it drives the repair of muscle, tendons, ligaments, and connective tissue. The biggest natural GH release of the day happens during deep sleep, when your body does its most intensive repair. Sermorelin signals your body to release more of its own GH, in line with that natural sleep rhythm.
How sermorelin drives recovery
What patients report
Tesamorelin is a stronger, longer-lasting cousin of sermorelin - better suited when training intensity, injury, or muscle loss exceed what a gentler GH approach can support.
How tesamorelin drives recovery
Who benefits most
What patients describe - less lingering soreness, better sleep on hard training days, and a higher ceiling on what their body can recover from. Usually noticeable within 8 to 12 weeks.
Your brain is one of the body's most demanding consumers of energy - and NAD is the fuel that powers it. Neurons need huge amounts of energy to fire, encode memories, and produce the chemicals that keep your thinking sharp. As NAD declines with age (about 50% by middle age), the brain's energy supply gets squeezed.
How NAD supports the brain
Why aging brains suffer when NAD declines
What NAD replenishment does
The brain is uniquely vulnerable to damage. It uses about 20% of your body's oxygen even though it's only 2% of your body weight, and that intense oxygen use produces a flood of free radicals. Glutathione is the brain's main defense, neutralizing those free radicals and clearing out toxins before they damage neurons.
How glutathione supports the brain
Why brain glutathione matters
What glutathione replenishment does
Growth hormone declines about 14% per decade after age 30 - and that decline is directly tied to brain fog and reduced mental stamina. Sermorelin signals your body to release more of its own GH, which raises IGF-1, the signal that crosses into the brain to support new neuron growth, memory, and mental clarity.
How sermorelin supports the brain
What patients report
Synapsin is a peptide that supports how brain cells communicate with each other. Delivered as a nasal spray, it reaches the brain directly - bypassing the body's normal filters - to support memory, focus, and the brain's ability to recover from inflammation or injury.
How synapsin works
Can help with
Practical - daily nasal spray, with noticeable benefit typically within 2 to 4 weeks. One of the few peptides with both direct brain action and excellent delivery through a nasal spray.
VIP (Vasoactive Intestinal Peptide) is a brain-protective peptide with strong anti-inflammatory effects. It works on the parts of the brain most involved in memory and cognition.
How VIP works
Can help with
Practical - daily nasal spray. Often paired with Synapsin and NAD+ in cognitive recovery protocols. VIP is on the FDA's Category 1 list of compoundable peptides with an established safety profile.
A strong immune system isn't just about fighting illness, it's about resilience, recovery, and the cellular intelligence to respond appropriately. Your protocol strengthens immune surveillance from the cellular level up.
Immune cells are among the most energy-hungry cells in your body. When they activate to fight off a pathogen, they ramp up energy production and rapid division - all processes that depend on NAD. When NAD is depleted, your immune cells simply can't power up the way they need to.
How NAD supports immunity
Can help with
Immunologists call glutathione "the fuel of the immune system." It is concentrated inside immune cells, protecting them from the very weapons they use against pathogens - like a shield that lets them do their job without damaging themselves.
How glutathione supports immunity
Can help with
Growth hormone and immunity are linked through the thymus - the small gland behind your breastbone where T-cells (your immune system's primary attackers) mature. The thymus starts shrinking after puberty and accelerates as growth hormone declines. By age 60, most of its functional tissue is gone.
How sermorelin supports immunity
Can help with
Tesamorelin's immune benefits mirror Sermorelin's but with a stronger, longer-lasting effect - plus a unique advantage: it reduces belly fat, which is a major source of immune-suppressing inflammation.
How tesamorelin supports immunity
Can help with
Chronic stress wears down the immune system. Stress elevates cortisol, which suppresses your body's ability to fight infections, lower inflammation, and produce antibodies. Oxytocin works on the opposite side of this - it lowers stress signaling and turns on the body's restorative state, which is where the immune system actually works best.
How oxytocin supports immunity
Can help with
VIP is one of the body's most powerful immune regulators. It works on multiple types of immune cells at once, helping the immune system function in a coordinated way rather than overreacting or underreacting.
How VIP supports immunity
Can help with
Practical - daily nasal spray. Pairs with Synapsin and NAD+ in complex recovery protocols. On the FDA's Category 1 list of compoundable peptides with an established safety profile.
Your skin takes the daily brunt of UV light, pollution, and oxidative damage. Glutathione is the body's master antioxidant - it neutralizes the free radicals that drive uneven pigmentation, collagen breakdown, and dull, aging-looking skin.
How glutathione supports skin
Can help with
Skin is one of the first tissues to show NAD decline. The cells that build skin depend on NAD for DNA repair, collagen production, and barrier maintenance - and those processes visibly slow as NAD drops with age.
How NAD supports skin
Can help with
GHK-Cu is a copper-binding peptide that naturally occurs in your skin - and it's a cornerstone of advanced topical skincare. Levels drop about 60% between age 20 and 60, one of the steepest declines of any skin-related molecule. Restoring it topically gives the skin back something it's lost.
How GHK-Cu supports skin
Can help with
Four formulations
Topical rapamycin (sirolimus) is an emerging anti-aging skin treatment that works by slowing one of the cell's main growth-and-aging signals (the mTOR pathway), helping cells clear out damaged components and renew themselves, and calming inflammation. It is used off-label for fine wrinkles, sagging skin, and sun damage, and the molecule has a well-established safety profile in dermatology. The compounded cream is generally well-tolerated, with minor side effects such as mild irritation.
Key benefits of topical rapamycin
Usage and availability
Side effects and precautions
The skin around the eyes is the thinnest, most delicate, and most expressive on the body. It shows fatigue, fluid retention, sun damage, and aging earlier than anywhere else. Puffiness, dark circles, and fine lines around the eye contour are driven by distinct mechanisms – fluid accumulation, vascular pooling, pigment irregularity, and collagen breakdown – that each require a different active to address.
How the four actives work together
Clinical relevance
Practical
Hair loss is the visible signal of a slow biological cascade at the follicle. A more potent form of testosterone called DHT binds to receptors in genetically susceptible hair follicles, gradually shrinking them. Blood flow to the scalp drops. Inflammation builds up. Growth cycles shorten. The follicle is still alive - but each cycle produces a thinner, shorter, lighter hair until it stops producing at all.
What drives hair loss
How the active ingredients work together
How to choose
What to expect
Hormonal decline is one of the most predictable and consequential changes of midlife. Estrogen, progesterone, and testosterone all fall along distinct curves through perimenopause and menopause – and the symptoms patients experience track those curves with remarkable consistency.
What declines, and what it feels like
Why bioidentical
How protocols are built
View DetailsBest for Perimenopause & Menopause
Compounded Biest (80/20 estriol/estradiol) bioidentical to what your body produces. Dosed to your physiology for symptom relief and long-term protection.
Starting at$99/moTestosterone declines by roughly 1-2% per year after age 30 – and by midlife, a meaningful percentage of men fall below the threshold where symptoms begin to surface. Low T is one of the most common, treatable, and under-diagnosed conditions in adult men.
What testosterone does
Signs of low testosterone
How TRT is delivered
What to expect
Our carrier oil is different. Most compounded testosterone is suspended in seed oils (cottonseed or grapeseed). We use MCT oil (coconut-derived medium-chain triglycerides) instead - lower viscosity, easier injection, and less inflammation.
View DetailsBest for Twice-Weekly Dosing
The most-prescribed TRT ester in the United States. Compounded in MCT oil for easier injection and less inflammation, while most clinics use seed oils.
Starting at$99/mo
View DetailsBest for Steady Levels
A long-acting injectable ester nearly identical to cypionate in clinical effect. Compounded in MCT oil - we don't use seed oils.
Starting at$99/moTestosterone is the output of an entire signaling system, not a single hormone working alone. Your brain signals your pituitary, which signals your testes to produce testosterone. Upstream, precursor hormones like pregnenolone and DHEA feed into the chain. Downstream, a portion of testosterone gets converted into estrogen. Optimizing testosterone means working with the whole system, not just adding more hormone.
Why optimize instead of replace
How the medications work together
Common combinations
What to expect
View DetailsBest for Adrenal & Androgen Support
A foundational adrenal precursor that converts to both androgens and estrogens. Levels decline meaningfully with age. Often stacked with pregnenolone as a baseline hormonal foundation.
Starting at$99/mo
View DetailsBest for Hormonal Foundation
The upstream precursor to nearly every steroid hormone the body produces, including testosterone. Frequently combined with DHEA to support adrenal output, cognition, and the broader androgen cascade.
Starting at$99/mo
View DetailsBest for Endogenous Production
A selective estrogen receptor modulator that signals the pituitary to release more LH and FSH, stimulating the body's own testosterone production. Often chosen by men who want to optimize T while preserving fertility and natural function.
Starting at$99/mo