The LiveNow Longevity Library

Jul 26, 202614 min readRead

Subcutaneous Peptide Injection Guide

A practical guide to site choice, clean technique, storage, and the questions to ask before giving a prescribed injection at home.

Jul 26, 202612 min readRead

Tirzepatide vs Semaglutide: A Las Vegas Physician's Comparison

How tirzepatide and semaglutide differ, what the trials compared, and what a clinician considers before recommending either one.

Jul 26, 20268 min readRead

GLP-1 Medications 2026: A Las Vegas & Henderson Physician's Guide

A clear comparison of approved semaglutide and tirzepatide products with investigational retatrutide, including the questions an evaluation should answer.

Jul 26, 202610 min readRead

Managing Weight-Loss Medication Side Effects

How to think about nausea, constipation, appetite changes, and dose adjustments, plus when a side effect needs medical attention.

Jun 20, 20268 min readRead

What Does an Anti-Aging Doctor Do? A Physician's Guide

What a longevity physician does, what happens in an evaluation, and how that differs from a med spa or a package sold as care.

Jun 20, 20268 min readRead

How to Choose an Anti-Aging Clinic: A Physician's Checklist

A practical way to compare clinics: who evaluates you, what gets measured, where medications come from, and whether the promises hold up.

Jun 20, 20269 min readRead

Anti-Aging Treatments With Real Evidence Behind Them

Exercise, sleep, metabolic care, biomarkers, NAD+, and peptides: what each can and cannot reasonably contribute to healthy aging.

Jun 2, 20269 min readRead

Retatrutide Las Vegas: Research and FDA Status

Retatrutide remains investigational. This guide separates its trial evidence from approved treatment and explains why research participation is different from a prescription.

Jun 2, 20269 min readRead

Henderson Peptide Therapy Guide: How a Physician-Led Clinic Works

What patients near Henderson, Green Valley, Anthem, and Seven Hills can expect from an evaluation-first peptide clinic.

Jun 2, 20268 min readRead

Weight Loss Plateau After GLP-1: How a Las Vegas & Henderson Physician Can Help

Why progress can slow on a GLP-1 medication, what a clinician checks next, and when a plateau deserves a fresh evaluation.

Jun 2, 20268 min readRead

Peptide Therapy Cost in Las Vegas: A Physician's Pricing Guide

What the $88 evaluation covers, why medication and monitoring are separate costs, and which pricing questions to ask before starting.

Jun 2, 20268 min readRead

NAD+ IV Therapy Las Vegas: A Physician's Complete Guide

What NAD+ IV treatment involves, what the research can support, and what should be checked before adding it to a care plan.

Jun 2, 20267 min readRead

How to Find a Legitimate Peptide Doctor in Las Vegas

The questions that reveal whether a peptide clinic is practicing medicine: who evaluates you, what gets monitored, and where the medication comes from.

May 24, 20269 min readRead

Peptides for Healthy Aging: A Physician's Overview

Where peptides may fit in a healthspan plan, what the studies measure, and why no peptide should be sold as an anti-aging cure.

May 22, 20269 min readRead

Peptides for Recovery: What the Evidence Shows

What recovery-peptide research can tell us today, where the human evidence is thin, and why rehab, sleep, and protein still do the heavy lifting.

May 20, 20268 min readRead

Physician-Led vs Telehealth Peptide Clinics: How to Choose

Telehealth describes the visit. Physician-led describes who is responsible for the evaluation, prescription, and follow-up. The difference matters.

Apr 11, 20266 min readRead

Reproductive Peptide Therapy: A Physician’s Overview

What reproductive peptides are being studied, what remains experimental, and how hormone symptoms are evaluated before treatment.

Apr 10, 20268 min readRead

Growth Factor Therapy in Regenerative Medicine

What growth factors do in repair biology, how PRP uses them, and what current clinical evidence can support.

Apr 10, 20267 min readRead

Triple-Hormone Agonist Peptides for Weight Loss

Retatrutide targets three hormone pathways, but it remains investigational. This article explains the mechanism, evidence, and clinical boundary.

Apr 9, 20269 min readRead

Peptide Therapy for Joint Health and Repair

What has been studied about BPC-157, TB-500, and connective-tissue recovery, with the limits of preclinical evidence in plain view.

Apr 8, 20268 min readRead

PRP Therapy for Joint Health

How PRP is prepared, which joint problems have been studied, and where it belongs alongside rehabilitation and standard care.

Apr 7, 20268 min readRead

IV Therapy for Athletic Recovery: What the Evidence Shows

What hydration and common IV ingredients can realistically do after exertion, illness, or travel, and where the evidence stops.

Apr 6, 20267 min readRead

Custom IV Protocols: How Dr. Kamen Designs Your Infusion

How a clinician turns symptoms, labs, and a patient's goals into an IV plan that has a reason behind each ingredient.

Apr 6, 20267 min readRead

GHRH vs. GHRP: Growth Hormone Peptides Compared

GHRH and GHRP act through different signals. Here is what that means for evidence, timing, and the decision to combine them.

Apr 5, 20266 min readRead

Zinc and Immune Function: The Case for IV Zinc

How zinc supports immunity and repair, what testing can show, and why more zinc is not automatically better.

Apr 5, 20266 min readRead

Lipolytic Peptides for Fat Loss, Explained

What lipolytic peptides are supposed to do, where the evidence is limited, and why fat loss still depends on the whole metabolic plan.

Apr 4, 20266 min readRead

Magnesium IV Therapy: Cellular Mineral for Energy and Calm

Why magnesium matters for nerves, muscles, and energy; how deficiency is assessed; and when IV replacement is considered.

Apr 4, 20267 min readRead

GHRH Peptides for Growth Hormone Optimization

How GHRH analogs signal the pituitary, how tesamorelin's approval is limited, and where these peptides may fit under supervision.

Apr 3, 20268 min readRead

IV Therapy vs Oral Supplements: What the Science Says

A route-by-route look at absorption, indication, convenience, and the situations where IV therapy is useful.

Apr 3, 20266 min readRead

Melanocortin Peptides (Bremelanotide) for Wellness

How bremelanotide acts on melanocortin pathways, what its approval does and does not cover, and who needs a careful evaluation.

Apr 2, 20266 min readRead

B-Complex IV Therapy for Energy and Metabolism

How B vitamins support energy metabolism and when an IV route might add something beyond a well-chosen oral supplement.

Apr 2, 20268 min readRead

Gut Health and Peptide Therapy: BPC-157 and GI Protection

What researchers mean by gut barrier support, what BPC-157 studies have found so far, and what remains unknown in people.

Apr 2, 20267 min readRead

GHRP: Growth Hormone Secretagogues Explained

What GHRP peptides signal, what human studies have measured, and how a clinician decides whether the risks fit the question.

Apr 1, 20267 min readRead

Telomere Length and Biological Age

What telomeres can tell you about cellular aging, what a test cannot tell you, and which everyday factors still matter more.

Apr 1, 20269 min readRead

Peptides and Nerve Regeneration: What the Science Shows

Why peripheral nerves recover slowly, which peptide signals are being studied, and why the cause of neuropathy comes first.

NAD+ Therapy

NAD+ and Aging: Science and Clinical Evidence

What NAD+ does in cells, what precursor trials measure, and how IV treatment fits into the evidence rather than the hype.

Mar 28, 20269 min readRead

Mar 28, 20268 min readRead

Tissue Repair Peptides: What the Research Shows

A careful read of the preclinical and human evidence for tissue-repair peptides, including what a hopeful result still cannot prove.

Mar 25, 20268 min readRead

Autophagy: Your Body’s Cellular Cleanup System

How cells recycle worn-out parts, what fasting and exercise may influence, and why animal findings do not equal a human protocol.

Mar 20, 20268 min readRead

Metabolic Adaptation During Weight Loss: Why Results Slow Down

Why the body spends less energy after weight loss, how hunger changes, and what a clinician checks when progress slows.

Mar 20, 20267 min readRead

Dual-Action vs. Single-Hormone Weight-Loss Medications

How single- and dual-hormone medications differ, what the trials show, and which patient questions matter more than a popularity contest.

Mar 18, 20269 min readRead

Mitochondrial Dysfunction and Aging

What mitochondria do, how their function changes with age, and which tests and habits provide useful context.

Telehealth

Telemedicine Peptide Therapy in Nevada: What the Law Allows

What Nevada telehealth rules require, what a real remote evaluation includes, and when an in-person step may still be needed.

Mar 15, 20266 min readRead

Mar 15, 20267 min readRead

Weight-Loss Medications vs. Peptides for Weight Loss

How approved weight-loss medications differ from peptide protocols, and why the right choice starts with the person rather than the trend.

Mar 12, 20268 min readRead

Insulin Sensitivity and Longevity Medicine

How insulin sensitivity is measured, why it matters beyond diabetes, and which changes can improve the signal over time.

Mar 10, 20267 min readRead

Sleep and Weight Loss: The Metabolic Connection

How short or fragmented sleep changes hunger, energy, and metabolic decisions while you are trying to lose weight.

Mar 8, 20268 min readRead

Epigenetic Age Testing: Measuring Biological Age

What DNA-methylation clocks estimate, what a biological-age result can and cannot mean, and where the science remains unsettled.

Mar 5, 20267 min readRead

Leptin Resistance and Weight Loss: What It Means

Why hunger can stay high after weight gain, what leptin can and cannot explain, and which medical questions deserve a closer look.

Mar 2, 20269 min readRead

Exercise and Longevity: What the Research Shows

What the research says about strength work, aerobic capacity, weekly volume, and the kind of exercise people can keep doing.

Diagnostics

Longevity Lab Guide: Key Biomarkers Explained

Which routine and specialty markers help explain metabolic, inflammatory, and hormonal health, and how to read them in context.

Feb 28, 202611 min readRead

Feb 25, 20267 min readRead

Maintaining Weight After GLP-1 Therapy

What can happen after stopping a GLP-1 medication, how to plan the transition, and why preserving muscle changes the conversation.

Feb 20, 20267 min readRead

Cortisol and Weight Loss Resistance: The Stress Connection

What cortisol has to do with appetite, sleep, blood sugar, and abdominal fat, and how a clinician checks before blaming stress alone.

Feb 16, 20268 min readRead

Stacking Peptides: Combining Protocols Safely

Why combining peptides changes the risk calculation, what monitoring looks like, and why an online stack is not a treatment plan.

Feb 15, 20267 min readRead

Thyroid Function and Metabolic Health

What TSH can miss, which additional questions matter, and why symptoms still need to be interpreted alongside the laboratory picture.

Feb 10, 20267 min readRead

Glutathione IV Therapy: The Master Antioxidant Explained

What glutathione does in antioxidant pathways, what IV delivery changes, and which claims go beyond the clinical evidence.

Feb 8, 20268 min readRead

Key Biomarkers Every Adult Should Track

A practical starting list of markers for blood sugar, inflammation, lipids, hormones, and overall metabolic health.

Feb 5, 20267 min readRead

Vitamin D Deficiency in Adults: The Longevity Connection

How vitamin D status is measured, what treatment options exist, and why the right dose depends on the actual result.

Feb 1, 20268 min readRead

hs-CRP and Chronic Inflammation: The Silent Driver of Aging

What hs-CRP can reveal about inflammation, why one result is not a diagnosis, and what can move the marker over time.

Jan 28, 20267 min readRead

HbA1c and Metabolic Health: What Your Blood Sugar Marker Means

What HbA1c reflects over three months, how to interpret a rising result, and which questions to take to your clinician.

Jan 25, 20267 min readRead

Nutrition While on GLP-1 Therapy

How to keep protein and basic nutrition in place when a GLP-1 medication changes appetite and meal size.

Jan 22, 20269 min readRead

Hormone Panels for Longevity: What to Test

Which hormone questions are worth testing, which results need context, and why a panel should follow a clinical question.