THE VANGUARD BLOG
Physician-curated deep dives into the science of men's health optimization.
Monograph
Sleep-disordered breathing — primarily obstructive sleep apnea (OSA) — is one of the most common, most underdiagnosed, and most consequential conditions in adult medicine. Untreated moderate-to-severe OSA is associated with hypertension, atrial…
30 May 2026
Monograph
Tongkat Ali (Eurycoma longifolia) and Fadogia agrestis are the two herbs that have dominated the men's testosterone-supplement conversation since approximately 2020. The pairing was popularized in optimization-medicine influencer content and has…
30 May 2026
Monograph
Modern lipid management has four major pharmacological pillars: statins (the dominant first-line therapy), PCSK9 inhibitor monoclonal antibodies (evolocumab and alirocumab, the most potent LDL-lowering option), bempedoic acid (the newer non-statin…
30 May 2026
Monograph
Rapamycin (sirolimus) and metformin are the two off-label drugs most often discussed in the longevity optimization conversation. Both have substantial preclinical evidence for healthspan or lifespan benefit, both have been the subject of ongoing…
30 May 2026
Monograph
Nicotinamide adenine dinucleotide (NAD+) is a coenzyme central to cellular energy metabolism, DNA repair, and sirtuin-mediated signaling involved in aging biology. Circulating and tissue NAD+ levels decline with age in animals and humans. Multiple…
30 May 2026
Monograph
Metformin is the most-prescribed glucose-lowering medication in the world, with over six decades of clinical use, validated efficacy in type 2 diabetes, an extensive safety database, an emerging longevity literature, and a generic cash price of…
30 May 2026
Monograph
The GLP-1 receptor agonist class has revolutionized obesity medicine over the past five years, but "GLP-1" as a single category obscures three quite different products. Semaglutide (Wegovy for obesity, Ozempic for T2D) is a single GLP-1 receptor…
30 May 2026
Monograph
VO2max — maximum oxygen consumption during exhaustive exercise — is the single most predictive fitness metric for all-cause mortality across multiple longitudinal cohort studies. Companion to the existing Vanguard VO2max Maximization Protocols…
30 May 2026
Monograph
Heart rate variability has become one of the most-marketed metrics in consumer wearable health tracking. The underlying physiology is real and well-characterized: variation in time between successive heartbeats reflects autonomic nervous system…
30 May 2026
Monograph
Lumen is a consumer-direct handheld device that measures CO₂ concentration in a single exhaled breath, computes the respiratory exchange ratio (RER), and reports a number indicating whether the user is metabolically in a fat-burning or…
30 May 2026
Monograph
Active mattress temperature control — water-circulated cooling and heating beneath a fitted topper — has emerged from a niche sleep-optimization product category into one of the most-evidenced consumer sleep interventions of the past decade. The…
30 May 2026
Monograph
The wearable category dominant in the optimization community in 2026 reduces to four products: the Oura Ring Generation 4, the Whoop 4.0 (with the newer 5.0 sensor band launching), the Apple Watch Series 10, and the Garmin Fenix/Forerunner line.…
30 May 2026
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