Research
Clinical research, regulatory updates, and patient education from TelosRX, an online-first telehealth service.
NAD+ Nasal Spray: How It Works and What to Know
NAD nasal spray explained: how intranasal NAD+ crosses the nasal mucosa, why delivery route matters, and what the evidence does and does not show.
Progesterone: What It Is, How It Works, and Why It Declines
Progesterone: What It Is, How It Works, and Why It Declines Progesterone is a steroid hormone produced primarily in the ovaries, adrenal glands, and — during...
Sleep Optimization Peptides, Answered: Your Top Questions
Sleep optimization peptides: your top questions about DSIP, NAD+, sermorelin, and hormone-based sleep support answered by our clinical team at TelosRX.
Urolithin A for Longevity: What the Research Shows
Urolithin A is a gut microbiome-derived compound that activates mitophagy — the cellular recycling of damaged mitochondria — and has shown measurable benefits for muscle endurance,...
NAD+ vs Peptide Therapy: Which Longevity Tool Fits You?
NAD+ vs peptide therapy isn't a competition — they work through entirely different mechanisms. NAD+ is a cellular energy coenzyme; peptides are targeted molecular signals. Choosing...
How to Naturally Increase Testosterone: A 7-Step Guide
A research-backed 7-step guide to naturally increasing testosterone through sleep, resistance training, body composition, diet, micronutrients, stress management, and testing.
Low Testosterone Symptoms in Men: 7 Signs Worth Taking Seriously
Low testosterone affects energy, mood, body composition, and sexual health — often gradually enough that men attribute the changes to aging. Seven recognized symptoms explained, with...
NAD+ Benefits: What It Does, How It Declines & What Research Shows
NAD+ benefits explained: what it does for energy, DNA repair, and longevity pathways, how levels decline with age, and what current research actually shows. Not FDA-approved....
Thyroid Support Supplements: What Research Actually Shows
A nutrient-by-nutrient review of thyroid support supplements — selenium, iodine, myo-inositol, zinc, B12, and vitamin D — with the clinical evidence behind each claim and guidance...
Berberine vs Metformin: Key Differences & Which to Consider
Berberine and metformin both activate the AMPK pathway and are studied for blood sugar regulation, insulin sensitivity, and metabolic health. Metformin is FDA-approved and requires a...
Longevity Peptides: How to Build Your Protocol
Longevity peptides are short amino acid chains studied for their effects on cellular repair, immune regulation, and hormonal signaling. TelosRX walks you through how to evaluate...
Best Peptides for Sleep: 6 Researched Options Reviewed
From growth hormone secretagogues to circadian-resetting peptides, here's what the research shows about the best peptides for sleep quality.
Mitochondrial Health: What It Is, Why It Matters & How to Support It
An explainer on mitochondrial health—what it is, why it declines with age, and which nutrients, lifestyle habits, and peptides have the strongest evidence for supporting mitochondrial...
Estrogen and Aging, Answered: Your Top Questions Reviewed by Our Clinical Team
Estrogen does not simply decline at menopause and stop mattering — it influences cardiovascular function, bone density, cognitive aging, and metabolic health throughout midlife and beyond,...
Sleep and Hormones: What Research Shows About Testosterone, Cortisol & Recovery
Sleep has a direct effect on testosterone, cortisol, and growth hormone. Learn what peer-reviewed research shows about sleep quality and hormone optimization.
Testosterone Cypionate vs Enanthate: TRT Comparison
Testosterone cypionate vs enanthate: the differences are smaller than most expect. Compare half-life, dosing, and which to consider for TRT.
How to Increase NAD+ Levels: A Step-by-Step Guide
NAD+ (nicotinamide adenine dinucleotide) drops roughly 50% between your 30s and 60s. The most evidence-backed ways to raise it include NMN or NR supplementation, regular resistance...
Thyroid Support Supplements: 7 Evidence-Based Options to Know
Thyroid Support Supplements: 7 Evidence-Based Options to Know Thyroid support supplements fill search results — but most coverage skips the evidence and skips the nuance. This...
DHEA for Women: Benefits, Dosage & Side Effects Explained
DHEA for women is a hormone supplement that may help restore declining levels of a key precursor involved in estrogen and testosterone production — with the...
Insulin Resistance, Answered: Your Top Questions Reviewed
TelosRX providers regularly evaluate patients whose lab work flags insulin resistance — often before any formal diabetes diagnosis. These are the questions that come up most...
Estrogen and Longevity: What the Research Shows
Research shows estrogen and longevity are meaningfully linked — multiple studies find that estrogen exerts protective effects on cardiovascular tissue, cognitive function, and cellular aging machinery....
DSIP vs Melatonin for Sleep: Differences, Research & Which to Consider
DSIP and melatonin both influence sleep, but they work through entirely different mechanisms and represent different intervention categories. Here is what the research shows, subject to...
How to Improve Mitochondrial Health: A Step-by-Step Guide
Mitochondria power every cell in the body. Learn seven evidence-backed steps to improve mitochondrial health—from exercise and fasting to NAD+ support and mitochondria-targeted peptides.
7 TRT Benefits: What Testosterone Research Shows
At TelosRX, TRT benefits are real — but they apply specifically to men with documented low testosterone. Here's what seven categories of peer-reviewed research actually confirm,...
125 articles in Hormone & Longevity