Research
Clinical research, regulatory updates, and patient education from TelosRX, an online-first telehealth service.
DHEA Sulfate: What It Is, Normal Levels & Test Results
DHEA sulfate is the main circulating form of DHEA. Learn how levels shift with age, why it is tested, and what high or low DHEA-S results...
Metabolic Syndrome, Answered: Your Top Questions Reviewed
Metabolic syndrome affects roughly one in three U.S. adults. Our clinical team answers the top questions on criteria, causes, labs and next steps.
TRT and Heart Health: What the Research Shows
What the research shows on TRT and heart health, from the 2010 TOM trial to TRAVERSE and the 2025 FDA labeling update, plus what remains unknown.
Deep Sleep vs REM Sleep: Differences for Hormones & Recovery
Deep sleep vs REM sleep, compared side by side: brain activity, body repair, growth hormone, testosterone, memory, and how each one changes with age.
How to Test for Mitochondrial Dysfunction: Step-by-Step
How to test for mitochondrial dysfunction, step by step: from symptoms and common mimics to metabolic labs, genetic testing, and fitness measures.
Longevity Biomarkers: 10 Markers Worth Tracking
Longevity biomarkers like VO2 max, grip strength, ApoB, and fasting insulin show how you are aging. Here are the 10 worth tracking and how often to...
Hormone Panel Test: What It Measures and Why It Matters
A hormone panel test checks several hormones from one blood draw. Learn what each marker means, how to prepare, and how to make sense of your...
How Long Does TRT Take to Work? Your Questions Answered
How long does TRT take to work? Our clinical team answers timeline questions on libido, mood, muscle, and lab checks, based on published research.
NAD+ for Weight Loss: What the Research Shows
NAD+ for weight loss: six studies reviewed, from mouse data to NR and NMN trials and a 2023 meta-analysis. See what the evidence shows, and what...
Hashimoto's vs Hypothyroidism: Key Differences Explained
Hashimoto's vs hypothyroidism, compared side by side: how the autoimmune cause differs from low thyroid function, which labs tell them apart, and more.
When to Take DHEA: A Step-by-Step How-To Guide
When to take DHEA? Morning is the usual default. Follow seven steps, from baseline DHEA-S labs to follow-up testing, all reviewed by a licensed provider.
7 Signs of High Cortisol You Shouldn't Ignore
Signs of high cortisol include unexplained belly and face weight gain, persistent fatigue, disrupted sleep, mood instability, blood sugar swings, frequent illness, and muscle weakness. TelosRX...
Longevity Peptides: What They Are, Benefits & Research Guide
Longevity peptides explained: which ones have research support, how they work for healthy aging, and who is a candidate. Not FDA-approved for anti-aging.
Peptides for Sleep, Answered: Your Top Questions Reviewed by Our Clinical Team
Peptides for sleep optimization are among the most actively studied tools in longevity medicine — and TelosRX can evaluate whether a protocol fits your goals, subject...
Urolithin A and Longevity: What the Research Shows
Urolithin A and longevity research: a review of four key human trials including the JAMA Network Open RCT showing improved muscle endurance and anti-inflammatory effects. What...
How to Optimize Sleep Quality: A Step-by-Step Guide
How to optimize sleep quality means working with your body's hormonal architecture — not against it. This step-by-step guide covers circadian alignment, environment, hormone support, and...
7 Pregnenolone Benefits: What Research Shows
Pregnenolone is a neurosteroid that declines with age and serves as the precursor to every major steroid hormone. Here are seven research-backed benefits and what the...
NAD+ Decline with Age: What the Research Actually Shows
NAD+ decline with age is one of the most consistently documented changes in cellular biology — research shows levels drop 40–50% between your 20s and 50s,...
Thyroid Hormone Optimization, Answered: Your Top Questions
Thyroid hormone optimization goes beyond checking a single TSH number. At TelosRX, our clinical team reviews the complete thyroid picture — production, conversion, and autoimmune activity...
DHEA for Women: What the Research Shows on Hormones & Menopause
DHEA for women has real — if nuanced — RCT data behind it. Studies show DHEA raises estrogen and testosterone after menopause, but effects are dose-dependent...
Sermorelin vs CJC-1295: Differences, Benefits & Which to Consider
Sermorelin vs CJC-1295: key differences in structure, half-life, GH pulse pattern, and clinical use. Side-by-side comparison to help you understand which may fit your goals.
How to Reduce Chronic Inflammation: A Step-by-Step Protocol
Chronic low-grade inflammation is a driver of accelerated aging, metabolic dysfunction, cardiovascular disease, and cognitive decline. It can be measured, modulated, and reduced through a structured...
Sleep and Testosterone: 7 Ways Rest Shapes Your Hormones
Sleep and testosterone are tightly linked. Discover 7 science-backed ways poor sleep disrupts your hormones — and what you can do.
CoQ10 Benefits: What It Is, Dosage & Mitochondrial Health
An evidence-based explainer on coenzyme Q10: what it is, how it supports mitochondrial energy production, how levels decline with age, and what clinical studies found on...
144 articles in Hormone & Longevity