THE VANGUARD BLOG
Physician-curated deep dives into the science of men's health optimization.
Monograph
Overview Glutathione (GSH; γ-L-glutamyl-L-cysteinyl-glycine) is the most abundant endogenous antioxidant in the human body — present at millimolar concentrations inside nearly every cell. It is a tripeptide synthesized intracellularly from glutamate, cysteine, and glycine via two ATP-dependent…
13 May 2026
Monograph
Overview MitoQ (mitoquinone mesylate; [10-(4,5-dimethoxy-2-methyl-3,6-dioxo-1,4-cyclohexadien-1-yl) decyl]triphenylphosphonium mesylate) is a mitochondria-targeted antioxidant developed by Michael Murphy and Robin Smith at the University of Otago, New Zealand, in the late 1990s and…
13 May 2026
Monograph
Overview PCSK9 inhibitors are a class of biologic agents (monoclonal antibodies) that block proprotein convertase subtilisin/kexin type 9 (PCSK9) — a circulating protein that promotes degradation of LDL receptors (LDLRs) on the surface of hepatocytes. By inhibiting PCSK9, these drugs prevent…
13 May 2026
Monograph
Overview Navitoclax (ABT-263) is a small-molecule BH3 mimetic — a drug that mimics the BH3 (Bcl-2 homology domain 3) domain of pro-apoptotic proteins to inhibit anti-apoptotic BCL-2 family members (BCL-2, BCL-XL, BCL-W). It was developed by AbbVie as an oncology agent targeting BCL-2-dependent…
13 May 2026
Monograph
Overview Propionyl-L-carnitine (PLC; also known as glycine propionyl-L-carnitine or GPLC in some formulations) is an esterified form of L-carnitine in which a propionyl group is attached to the 3-hydroxyl of L-carnitine. Unlike standard L-carnitine (which facilitates long-chain fatty acid…
13 May 2026
Monograph
Overview Acupuncture is a therapeutic practice originating from Traditional Chinese Medicine (TCM) involving the insertion of fine, sterile needles at specific anatomical points ("acupuncture points" or "acupoints") on the body for therapeutic purposes. In classical TCM theory, acupuncture is…
13 May 2026
Monograph
Overview Exosomes are nanosized (30–150 nm diameter) extracellular vesicles secreted by virtually all mammalian cells through the endosomal pathway. They contain a complex cargo of: microRNAs (miRNAs), messenger RNAs (mRNAs), proteins (enzymes, growth factors, transcription factors), lipids…
13 May 2026
Monograph
Overview Chiropractic and osteopathic manipulative treatment (OMT) are two distinct but overlapping manual medicine disciplines centered on the diagnosis and treatment of musculoskeletal and neuromusculoskeletal conditions through hands-on manipulation of the spine, joints, and soft tissues.
13 May 2026
Monograph
Overview Stem cell therapy encompasses a broad spectrum of interventions involving the administration of cells with self-renewal capacity and the ability to differentiate into specialized cell types — ranging from FDA-approved, rigorously tested blood stem cell transplantation (hematopoietic…
13 May 2026
Monograph
Overview Mindfulness is the practice of intentionally directing attention to present-moment experience (sensations, thoughts, emotions) with an attitude of non-judgmental awareness. Formal meditation practices that cultivate mindfulness include mindfulness-based stress reduction (MBSR …
13 May 2026
Monograph
Overview Yoga is an ancient Indian practice integrating physical postures (asana), breath control (pranayama), meditation, and philosophical disciplines into a unified system. Modern evidence-based medicine has focused primarily on the physical practice of yoga — specifically its effects on…
13 May 2026
Monograph
Overview Arabinogalactan (AG) is a branched polysaccharide composed of a galactose backbone with arabinose side chains (predominantly β-D-galactose units with α-L-arabinofuranose and other sugar residues). It occurs widely in plants — notably as the primary soluble fiber component of larch…
13 May 2026
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