A complete clinical guide to SHBG: how it binds testosterone, why free and bioavailable testosterone matter more than total T, how the HPG axis is affected, and what your lab numbers actually mean.
A guide to the standard TRT protocol for men, covering testosterone cypionate and enanthate dosing, IM vs. subcutaneous injection technique, daily microdosing, and lab-based dose titration.
A guide to testosterone compounded cream for men, covering absorption, dosing, how it stacks up against cypionate injections, pellets, and other formulations, with evidence from named trials and FDA-cleared references.
A guide to testosterone enanthate for TRT: how it works, standard doses, injection frequency, side effects, and how it compares to cypionate, propionate, pellets, and gels.
A guide to how testosterone binds androgen receptors, how the HPG axis controls production, and what free vs. total vs. bioavailable testosterone means for TRT dosing.
TRT suppresses sperm production and can cause temporary or lasting infertility. Learn how fast the effects occur, whether they reverse after stopping, and what fertility-preservation steps to take before your first injection.
Former anabolic steroid users often develop lasting hypogonadism. Learn how TRT is diagnosed, dosed, and monitored after steroid use, including HPG axis recovery, fertility considerations, and what the clinical evidence says.
A guide to how testosterone replacement therapy interacts with blood pressure medications, who needs closer monitoring, and how to manage both safely.
Does intermittent fasting help or hurt your TRT results? Learn how fasting affects testosterone levels, blood work timing, alcohol, supplements, and what happens if you stop TRT.
Can you take TRT and SSRIs together? Learn how testosterone replacement therapy interacts with selective serotonin reuptake inhibitors, what the research shows about sexual side effects, mood outcomes, and how to manage both treatments safely.
A guide to combining testosterone replacement therapy with supplements like creatine, protein, vitamin D, zinc, and more. Includes dosing, timing, safety data, and what the clinical trials actually show.
Can you donate blood on TRT? Learn how testosterone raises hematocrit, why that matters for donors and recipients, FDA eligibility rules, and how therapeutic phlebotomy compares to standard donation.
TRT and hair loss explained with real trial data, DHT science, and clinical guidance on prevention. Learn what testosterone replacement actually does to your hairline.
Should you pause testosterone replacement therapy before surgery? Learn exactly when to stop TRT, what withdrawal feels like, how alcohol and supplements interact, and when TRT begins working again after your procedure.
A guide to testosterone replacement therapy for bodybuilders, covering physiologic vs supraphysiologic dosing, age-specific protocols (TRT over 50, over 65, younger men), WADA status, and the safety data you need before starting.
How testosterone replacement therapy (TRT) relates to type 2 diabetes, insulin resistance, HbA1c, erectile dysfunction, and libido in men with confirmed hypogonadism. An evidence-boundary review pending qualified clinical review.
Can elite athletes use testosterone replacement therapy without violating WADA rules? This clinical guide covers the Therapeutic Use Exemption process, banned-substance rules, age-specific protocols, and evidence-based outcomes for competitive sportspeople on TRT.
A guide to testosterone replacement therapy across every age group, covering diagnosis, fertility preservation, dosing, and what the evidence actually shows for men from their 20s through retirement.
TRT injection pain is common but manageable. Learn the real causes, injection technique fixes, oil and needle choices, and exactly when pain signals a problem that needs attention.
A guide to testosterone replacement therapy for men over 65, covering clinical trial evidence, age-specific risks, dosing protocols, monitoring requirements, and how TRT differs across the lifespan.
A clinical comparison of testosterone replacement therapy (TRT) and enclomiphene citrate for men with low testosterone, covering mechanism, fertility impact, dosing considerations, safety monitoring, and how to choose between them.
Find out whether testosterone cream requires a prescription, what the FDA says about OTC alternatives, how compounded options differ, and what a legitimate TRT evaluation looks like.
In sleep-lab studies, testosterone rose during sleep whenever it happened, and six 4-hour nights raised evening cortisol in young men.
Discover how poor sleep disrupts testosterone, cortisol, insulin, thyroid hormones, and more, with specific data, named trials, and clinical guidance on restoring balance.
PCOS-related hair loss is driven by androgens, not just stress. Learn which medications, supplements, and lifestyle changes have clinical trial support, and how to stop the shed for good.
A guide to the hormonal, metabolic, and lifestyle drivers of perimenopausal weight gain, with evidence-based strategies to address each one.
A guide explaining how testosterone therapy fits into menopause care, covering libido, mood, bone density, cognition, dosing, and safety data from named trials and guidelines.
A guide to testosterone pellet therapy in perimenopause: evidence on safety, dosing, benefits, risks, and what the current guidelines actually say.
Learn how to recognize high and low estrogen symptoms on testosterone replacement therapy, when to use anastrozole or other aromatase inhibitors, and what target E2 ranges actually look like in clinical practice.
A practical guide to evaluating telehealth platforms for low testosterone diagnosis and TRT management, covering labs, prescribing standards, follow-up protocols, and red flags.
Practical, evidence-based strategies for improving sexual satisfaction after menopause, covering vaginal dryness, low libido, hormonal options, and non-hormonal treatments.
Metformin is contraindicated with eGFR below 30, hypersensitivity or metabolic acidosis. Liver disease and alcohol raise lactic acidosis risk.
A clinical guide to metformin use in patients with autoimmune conditions, covering the immunomodulatory mechanisms under study, disease-specific considerations, drug interactions, and monitoring, with a clear line drawn between FDA-approved use and investigational use.
A clinician-level review of how metformin affects bone mineral density, fracture risk, osteoblast activity, and osteoporosis outcomes in type 2 diabetes, with primary-literature citations throughout.
A clinician-level review of metformin's long-term cardiovascular effects, from UKPDS 34 through modern meta-analyses. Covers mechanisms, trial data, guideline positions, and practical prescribing context.
A physician-level breakdown of the metformin evidence base, with each major indication graded by GRADE certainty of evidence, key trial data, and practical clinical guidance.
A guide to metformin's effects on hair loss, skin pigmentation, acne, and wound healing. Covers B12-mediated hair thinning, androgen-driven skin benefits in PCOS, and practical monitoring thresholds backed by primary literature.
A deep-dive into metformin's 100-year journey from plant alkaloid to the world's most-prescribed diabetes medication, covering its pharmacological roots, key clinical trials, and mechanism of action.
A clinician-level review of how metformin affects skeletal muscle, which patients face the greatest risk of lean-mass loss, and the evidence-based strategies to preserve muscle while staying on metformin therapy.
A clinical guide to metformin safety for adults aged 50 to 64, covering dosing, kidney thresholds, lactic acidosis risk, drug interactions, and monitoring protocols in the context of current FDA labeling and diabetes guidelines.
A guide to metformin overdose, accidental excess dosing, metformin-associated lactic acidosis (MALA), and evidence-based emergency management protocols.
A guide to the metformin pre-surgery hold window, covering current ADA and AACE guidelines, contrast-dye rules, procedure-specific timing, and restart protocols with primary-literature citations throughout.
A clinician-level guide to metformin's approval history, current regulatory standing, and mechanism of action across the US, EU, Canada, and UK, with sourcing limitations flagged for editorial review.
A citation-dense review of how metformin affects sexual function in men and women with type 2 diabetes, PCOS, and prediabetes. Covers testosterone, erectile dysfunction, libido, and clinical management strategies.
MK-677 mimics ghrelin at GHS-R1a receptors, triggering GHRH release and steady 24-hour GH and IGF-1 elevation without disrupting natural pulsatility.
A guide to the MK-677 (ibutamoren) missed-dose protocol, covering pharmacokinetics, how to skip or double doses safely, and the clinical reasoning behind each decision.
MK-677 (ibutamoren) is taken orally, not injected. Learn how this GH secretagogue works, what the clinical trial data show, and what physicians actually monitor during use.
A guide to monitoring MK-677 (ibutamoren) use in young adults aged 18-29, covering IGF-1 tracking, insulin sensitivity, pituitary axis, fertility, and safety checkpoints, with an honest account of what the evidence does and does not establish.
A deep dive into modafinil's long-term cardiovascular effects, covering blood pressure, heart rate, arrhythmia risk, and what the clinical evidence base does and does not establish in chronic users.
A guide to MOTS-c dosing for adults aged 30 to 49, covering injection protocols, timing, metabolic targets, safety signals, and what the current trial evidence supports.
A guide to MOTS-c mitochondrial peptide safety in adults aged 30 to 49, covering known adverse effects, dosing data, and what human trial evidence does and does not yet support.
A clinician-level review of how the mitochondrial peptide MOTS-c affects appetite, food cravings, and satiety signaling, with primary-literature citations and dosing context for telehealth practice.
A comparison of compounded and branded MOTS-c peptide formulations, covering pharmacology, purity standards, dosing protocols, regulatory status, and clinical evidence from primary literature.
A source-led MOTS-c review for adults 50 to 64, distinguishing age-related human measurements, mouse treatment findings, and missing human safety data.
A clinician-level review of MOTS-c mitochondrial peptide after bariatric surgery, covering mechanisms, dosing considerations, metabolic rationale, and the current evidence gap in post-bariatric populations.
A clinician-level review of MOTS-c mitochondrial peptide safety signals, FDA enforcement actions, compounding restrictions, and what the current preclinical and human data actually say about risk.
A source-led MOTS-c safety review for adults 18 to 29, separating endogenous human measurements from administered-peptide evidence.
A deep dive into how tirzepatide (Mounjaro) affects sexual function in men and women, covering hormonal mechanisms, clinical trial data, and practical guidance for patients and providers.
A guide to tirzepatide (Mounjaro) safety for adults ages 18, 29, covering trial data, hormonal effects, fertility, dosing, and monitoring protocols.
Does NMN or NR affect appetite or food cravings? Human trials measured NAD+, weight and metabolic outcomes, not hunger, so the effect is unknown.