The Vitality Blog

Zinc for Colds and Immunity: What Actually Works

Zinc gets marketed hard for immune support. Here's what a 2024 Cochrane review found, and a real risk high-dose users should know about. Dartmouth, MA.

Magnesium and Sleep: What the Research Shows

Magnesium is everywhere in sleep marketing. Here's what the actual trials found, and why a normal blood test can still miss a real deficiency. Dartmouth, MA.

B12 and MTHFR Testing: What Actually Matters

Everyone's talking about MTHFR testing. Here's what actually predicts B12 problems, and why the genetic test usually doesn't. Dartmouth, MA.

Creatine for Women: What the Research Shows

Creatine isn't just for lifters. Here's what a 2026 meta-analysis of postmenopausal women actually found about strength and safety. Dartmouth, MA.

Cortisol and Sleep Testing: What Actually Works

Cortisol testing is trending for stress and sleep. Here's what actually measures it well, and why "adrenal fatigue" isn't real. Dartmouth, MA.

CGMs for Non-Diabetics: What the Data Shows

Continuous glucose monitors are trending for people without diabetes. Here's what the actual research shows, and what it doesn't. Dartmouth, MA.

Losing Muscle on a GLP-1? Here's the Fix

GLP-1 weight loss isn't all fat. Here's what the research says about muscle loss, and how resistance training changes the outcome. Dartmouth, MA.

"Normal" Labs vs. Optimal Ranges: What's the Difference?

Your labs can say normal and still miss the mark. How TSH, vitamin D, ferritin, and testosterone ranges actually work. RN-led testing in Dartmouth, MA.

Perimenopause vs. Menopause: What's the Difference?

Perimenopause and menopause aren't the same stage. Learn the real clinical difference and why it changes your care plan in Dartmouth, MA.

Your Labs Say "Normal" — So Why Do You Still Feel Insulin Resistant?

Your labs can say "normal" and you can still be insulin resistant. How HOMA-IR and fasting insulin actually work, with RN-led testing in Dartmouth, MA.

Semaglutide vs. Tirzepatide vs. Retatrutide: What the Trial Data Actually Shows

Comparing the three GLP-1 medications by the actual trial data: what's FDA-approved, what's investigational, and how we choose at Vitality Dartmouth.

BPC-157's Regulatory Status Is Changing: What the FDA's July 2026 Vote Actually Means

The FDA's July 2026 committee recommended BPC-157 for legal compounding again. What it means, what's still unproven, and RN-led sourcing — Dartmouth, MA.

Does Adding Hormone Therapy to GLP-1s Boost Menopause Weight Loss? What a New Mayo Clinic Study Found

A new Mayo Clinic study found women combining hormone therapy with tirzepatide lost 35% more weight. What it means, and doesn't, from an RN in Dartmouth, MA.

Retatrutide's Phase 3 Results Are In: What They Mean for Medically Supervised Weight Loss

Retatrutide's Phase 3 TRIUMPH-1 trial showed up to 28% weight loss. An RN explains what the results mean and how supervised programs work in Dartmouth, MA.

What Can Genomic and Lab Testing Actually Tell You About Your Health?

An RN explains what DNA and lab biomarker testing can and can't tell you, and how the two work together in a real, measurable health plan.

GLP-1 Microdosing and Menopause: What the Trend Gets Right (and Wrong)

An RN-supervised look at GLP-1 microdosing for menopause weight gain: what the evidence shows, the real risks, and who it may fit.

Retatrutide: The Next Generation of Metabolic and Weight Loss Science

How retatrutide’s triple-receptor action targets GLP-1, GIP, and glucagon pathways to support fat loss and metabolic health.

GHK-Cu: The Copper Peptide Behind Skin, Hair, and Tissue Repair

How the copper-binding peptide GHK-Cu supports collagen production, wound healing, hair follicles, and skin quality.

Epitalon and Cellular Aging: Telomeres, Sleep, and the Longevity Conversation

What the research actually says about epitalon, telomerase activity, melatonin rhythm, and where it fits in a longevity framework.

Tesamorelin and Visceral Fat: The Deep Belly Fat Nobody Talks About

Why visceral fat drives cardiometabolic risk, and how tesamorelin’s growth-hormone-releasing action targets it specifically.

21 Day Burn Challenge

Understanding Peptide Therapy: A Comprehensive Guide

Discover how peptide therapy works and why it's becoming a cornerstone of modern wellness optimization.

Vitality Dartmouth's 3 Pillars of Health and Wellness

Discover how Diet, Exercise, and Recovery form the foundation of optimal health and how our integrated approach can help you achieve lasting vitality.

The Science Behind GLP-1 Agonists for Weight Loss

Learn about the mechanisms that make semaglutide and other GLP-1 agonists effective for sustainable weight management.

BPC-157: The Healing Peptide Athletes Are Talking About

Explore how BPC-157 supports tissue repair and recovery for athletes and active individuals.

Hormone Optimization During Perimenopause

Understanding the hormonal changes during perimenopause and how targeted therapies can restore balance.

NAD+ and Cellular Longevity: What the Research Shows

Dive into the science of NAD+ supplementation and its role in promoting healthy aging.

Your First Consultation: What to Expect

A step-by-step guide to your initial visit at Vitality Dartmouth and how we create your personalized protocol.