Blog · 33 articles

Peptides, longevity, and women's optimization — explained.

Research-backed articles for biohacker-curious readers. No PhD required.

Longevity9 min read

Metformin for Longevity: Why Peter Attia Changed His Mind

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. An honest look at why the informed-biohacker consensus has cooled.

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April 2026
Women's Health10 min read

Perimenopause Sleep: Why It Breaks at 42 and What's Actually Helping

Sleep disruption is one of the most common complaints in perimenopause, and the mechanism is more specific than 'hormones.' Progesterone decline removes GABA-ergic calm. Estrogen fluctuation disrupts temperature regulation. Cortisol shifts change the architecture of early-morning waking.

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April 2026
Women's Health9 min read

PT-141 (Bremelanotide) for Female Desire: The Only FDA-Approved Peptide for HSDD

PT-141, sold under the brand name Vyleesi, is the only FDA-approved peptide for female desire — a central-acting melanocortin receptor agonist approved in 2019 for generalized hypoactive sexual desire disorder. Here's how it works, what the trial data actually shows, and where it fits in a thoughtful women's sexual health protocol.

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April 2026
Women's Health10 min read

What's Actually Happening to Your Hormones in Your 40s and 50s

A research-anchored walkthrough of how estrogen, progesterone, testosterone, DHEA, SHBG, thyroid, and cortisol shift through perimenopause and menopause. No symptoms-as-prescription, just the biology.

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April 2026
Women's Health8 min read

Scream Cream: What's Actually In It and Why Physicians Prescribe It

The compounded topical formulation sometimes called 'scream cream' explained — typical ingredients, the 503A compounding framework, why the published efficacy evidence is thin, and how the FDA views the category.

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April 2026
Women's Health9 min read

Oxytocin: The Hormone Behind Bonding, Connection, and Desire

A tour of the oxytocin research — Sue Carter's prairie vole pair-bonding studies, the Zak/Kosfeld intranasal trials and their replication critiques, and why functional physicians are exploring compounded oxytocin today.

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April 2026
Women's Health9 min read

Why Two Different Doctors Will Tell You Two Different Things About Your Hormones

The same symptoms get handled very differently by a NAMS-credentialed menopause specialist and a biohacker-optimization physician. Neither is wrong — they're different models for different patients.

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April 2026
Women's Health10 min read

Why Your Doctor Won't Prescribe You Testosterone (And Who Actually Will)

There's no FDA-approved female testosterone product in the US, so most OB-GYNs won't prescribe it. Here's the history (Intrinsa, 2004), how Australia does it differently, and who in the US will write the prescription.

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April 2026
Women's Health9 min read

The Pill and Your Libido: What the Research Actually Says

Combined oral contraceptives raise SHBG and lower free testosterone — the research is unambiguous on the mechanism. What's less clear is how completely it recovers after stopping. A look at the published literature.

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April 2026
Women's Health11 min read

What the Top Medical Societies Actually Say About Women's Hormones in 2026

ISSWSH, NAMS, and the Endocrine Society each publish position statements on menopausal hormone therapy, testosterone in women, and compounded bioidenticals. Where they agree, where they don't, and why it matters.

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April 2026
Women's Health8 min read

9 Women Changing the Conversation About Female Hormones

Mary Claire Haver, Sara Szal, Felice Gersh, Stacy Sims, Kelly Casperson, Rachel Rubin — plus researchers Susan Davis, Sue Carter, and JoAnn Manson. What each of them is saying, and where to actually find their work.

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April 2026
Comparison9 min read

Pepvio vs AgelessRx: Which Longevity Telehealth Platform Is Right for You?

AgelessRx commoditized longevity protocols at entry-tier pricing. Pepvio offers premium bundled stacks with labs included and biohacker-native positioning. Here's an honest comparison to help you choose.

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April 2026
Comparison10 min read

Pepvio vs Midi Health: Biohacker Women's Optimization vs Clinical Menopause Care

Midi is the leading insurance-friendly menopause platform. Pepvio serves the biohacker-optimizer framing with a three-molecule women's sexual health stack. Honest comparison of audience fit and trade-offs.

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April 2026
Comparison9 min read

Pepvio vs Compounding Pharmacy Direct: When Telehealth Wins and When It Doesn't

If you have a great local physician and time for labs, direct-to-pharmacy can beat Pepvio on price. Here's an honest side-by-side with real cost math so you can decide which path fits.

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April 2026
Longevity10 min read

Rapamycin: The Drug Bryan Johnson and Peter Attia Actually Take

Rapamycin has extended median lifespan in every mammalian species tested. It's the longevity drug Bryan Johnson, Peter Attia, and an expanding cohort of physicians take personally. Here's what the research shows, how it's dosed for longevity, and who should consider it.

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April 2026
Longevity9 min read

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.

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April 2026
Women's Health10 min read

Testosterone for Women: The Most Under-Prescribed Hormone in Female Medicine

Testosterone is the most abundant active sex hormone in women, yet there's no FDA-approved female testosterone product. Here's what the research shows about testosterone's role in female libido, energy, and mood, and how to access it legitimately.

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April 2026
Women's Health10 min read

The Women's Sexual Health Stack: Testosterone, Oxytocin, and Arousal Cream Explained

Female sexual health is more than one hormone. The research points toward a three-part protocol — testosterone for desire, oxytocin for bonding and arousal, and targeted arousal cream for on-demand response. Here's why they work better together.

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April 2026
Comparison8 min read

Sermorelin vs Tesamorelin: How to Choose Between the Two Active GH-Axis Peptides

Sermorelin and Tesamorelin are the two GHRH analog peptides that remain legally compoundable today. They do the same basic thing but differ meaningfully in potency, cost, and patient fit. Here's how to decide between them.

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April 2026
Education8 min read

What Are Peptides? A Complete Guide for 2026

Peptides are naturally occurring amino acid chains that act as signaling molecules in the body. Here's what the research says about how they work and why they're gaining attention.

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April 2026
Comparison7 min read

Peptides vs GLP-1s for Body Composition: What's the Difference?

GLP-1 medications like semaglutide have dominated headlines, but peptides like AOD-9604 offer a different approach to fat metabolism — without the appetite suppression.

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April 2026
Regulatory6 min read

Are Peptides Legal in 2026? What Changed and What It Means

In February 2026, 14 peptides returned to FDA Category 1 status. Here's what that means for patients, providers, and legal access to peptide therapy.

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April 2026
Guide5 min read

How Much Does Peptide Therapy Cost? A Transparent Breakdown

Peptide therapy costs vary widely — from grey-market risks to $500+ clinic visits. Here's what you should actually expect to pay for legitimate, prescribed peptide therapy.

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April 2026
Guide9 min read

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.

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April 2026
Guide9 min read

Peptide Therapy for Athletes: Recovery, Performance, and What's Legal

Athletes are increasingly turning to peptide therapy for faster recovery, better sleep, and injury rehabilitation. Here's what the research says, which peptides are most relevant, and how to navigate the legal landscape.

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April 2026
Industry7 min read

How Telehealth Is Making Peptide Therapy Accessible

Peptide therapy was once limited to specialty clinics in major cities, costing hundreds per visit. Telehealth has fundamentally changed the access equation — making physician-supervised peptide protocols available to patients regardless of where they live.

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April 2026
Buyer Guide8 min read

Where to Buy Peptides Legally in 2026 (After the FDA Reinstatement)

After the FDA's February 2026 reclassification, 14 peptides returned to legal Category 1 status. Here's exactly where to buy them legally — and why the grey market is no longer worth the risk.

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April 2026
Comparison9 min read

Best Peptide Therapy Companies in 2026: A Buyer's Guide

After the FDA reinstatement, dozens of telehealth platforms started offering peptide therapy. Here's how to evaluate them — and what separates the legitimate operators from the questionable ones.

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April 2026
Education9 min read

Do Peptides Actually Work? An Honest Look at the Evidence

Peptide therapy is having a moment, and the marketing claims have gotten ahead of the science. Here's an honest assessment of what peptides actually do — and what they don't — based on the available evidence.

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April 2026
Safety8 min read

Are Peptides Safe for Long-Term Use? An Honest Risk Assessment

Peptide therapy is generally well-tolerated, but the long-term safety data is more limited than for FDA-approved drugs. Here's what we know — and what we don't — about long-term peptide use.

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April 2026
FAQ7 min read

How Long Until Peptides Start Working? A Realistic Timeline

Patient question we hear constantly: when will I notice results? The honest answer varies by peptide, condition, and individual — but here's a realistic timeline based on what the research and clinical experience actually show.

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April 2026
FAQ7 min read

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.

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April 2026
Legal6 min read

Do Peptides Require a Prescription? The Legal Answer in 2026

Yes — therapeutic peptides require a prescription in the United States. Here's exactly what that means, why the 'research chemical' loophole isn't legal, and how to actually get peptides legally in 2026.

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April 2026