Fasting and Testosterone: What the Research Shows
Can fasting raise testosterone in obese men? Here's what peer-reviewed research on fasting and testosterone actually shows—and what to ask your doctor.
Plain-English, sourced guidance — updated as the science moves.
Can fasting raise testosterone in obese men? Here's what peer-reviewed research on fasting and testosterone actually shows—and what to ask your doctor.
A predictive model shows week‑8 weight loss on GLP‑1 medications best forecasts six‑month weight‑loss outcomes and engagement, helping set realistic expectations early.
GLP-1 and aging research reveals how diet, appetite changes, and metabolic shifts interact. Learn what studies say and what to ask your doctor.
Real‑world study finds goal‑setting with tirzepatide predicts better weight‑loss outcomes in over 80,000 users without other health conditions.
GLP-1 response rates vary widely between patients. Here's what recent clinical research reveals about who loses the most weight and why. Not medical advice.
Curious about GLP-1 and blood pressure? Here's what recent peer-reviewed research says about these medications and hypertension control.
Aleniglipron oral GLP‑1 showed up to ~11% weight loss by week 36 in a Phase 2b trial, with tolerable side effects—hinting at a future non‑injectable option.
Research on PCOS and ovulation shows GLP-1 medications may restore menstrual cycles and improve hormonal markers. Here's what the evidence actually says.
Real‑world data suggests people on GLP‑1s take fewer steps and report less vigorous activity, pointing to reduced movement motivation rather than physical limitation.
Curious about GLP-1 and liver health? Here's what peer-reviewed research says about these medications and metabolic liver disease. Not medical advice.
Fresh FDA warning letters in June target telehealth firms marketing compounded GLP‑1s as equivalent to approved drugs, flagging misleading claims and misbranding.
Comparing tirzepatide vs metformin for PCOS? See what 2025 clinical trials and meta-analyses say about weight, hormones, and fertility outcomes.
Can GLP-1 medications help with prediabetes? Here's what peer-reviewed research currently shows about GLP-1 and prediabetes risk and blood sugar.
GLP-1 and muscle loss go hand in hand during rapid weight loss. Learn what the research says and how to protect lean mass on therapy.
Time-restricted eating may affect weight, muscle, hormones, and mood. Here's what recent clinical research actually shows—and what to ask your doctor.
GLP-1 diet quality affects weight loss outcomes and nutrient status. See what peer-reviewed research says about food choices and cravings on these medications.
Comparing semaglutide vs tirzepatide for weight loss? Here's what real-world studies and clinical trials actually show about efficacy, safety, and side effects.
GLP-1 protein intake drops when appetite shrinks—here's what the research says about sarcopenia risk and how to protect your muscle mass on therapy.
Wondering about GLP-1 and PCOS pregnancy safety? Here's what recent research says about incretin therapy before and during pregnancy.
Curious about GLP-1 heart benefits? Here's what recent clinical trials show about these medications and cardiovascular outcomes in people with obesity.
Muscle loss on GLP-1s is a real concern backed by research. Learn what drives it, who's most at risk, and how to protect your muscle while losing weight.
Concerned about fasting and muscle loss? Here's what recent peer-reviewed studies say about preserving lean mass during intermittent fasting protocols.
GLP-1 and menopause intersect in ways that affect weight, muscle, and nutrition. Here's what current research says—and what to ask your doctor.
A GLP-1 drug comparison of liraglutide, semaglutide, and tirzepatide: what the latest research says about weight loss, safety, and stopping treatment.
GLP-1 health benefits extend well beyond weight loss. Learn what recent research says about blood pressure, sleep apnea, pain, and heart health.
Wondering if GLP-1 medications can improve PCOS and fertility? Explore what the latest research says—and why you should talk to your doctor first.
GLP-1 side effects like nausea and gut issues are common. Learn what causes them, how long they last, and when to talk to your doctor.
Wondering how GLP-1 medications affect your activity levels? Explore what research says about exercise, movement, and GLP-1 therapy. Not medical advice.
Intermittent fasting may affect muscle and fat differently by age. Learn what the research says and when to talk to your doctor.
Discover how GLP-1 medications affect diet quality, food cravings, and nutrient intake—plus practical eating strategies. Not medical advice.
Comparing GLP-1 medications like semaglutide and tirzepatide? Learn what the latest research says about efficacy, safety, and real-world results.
Wondering if GLP-1 medications are right for you? Learn who may benefit, key safety considerations, and what to discuss with your doctor.
Comparing GLP-1 medications, metformin, and inositol for PCOS? See what the latest research says about metabolic and hormonal outcomes.
Managing GLP-1 side effects starts with what you eat. Discover nutrition strategies to ease nausea, support muscle, and stay on track. Not medical advice.
Curious how GLP-1 medications affect daily movement and activity levels? This consumer guide explains what the research says. Not medical advice.
Intermittent fasting may aid weight loss, but is it safe for everyone? Learn what research says about risks, benefits, and who should be cautious.
GLP-1 medications reduce appetite, but micronutrient gaps are a real risk. Learn which nutrients to watch and how to protect your health.
Thinking about stopping GLP-1s? Learn what research says about weight regain, long-term use, and how to talk to your doctor. Not medical advice.
GLP-1 medications do more than shed pounds. Discover their emerging benefits for heart health, joints, and more. Not medical advice—talk to your doctor.
GLP-1 side effects can affect your mouth and teeth. Learn what the research says and how to protect your oral health while on these medications.
Strength training on GLP-1 medications can protect muscle mass and boost results. Learn what the research says and how to get started safely.
Intermittent fasting may suit different people differently. Learn who research says may benefit, and who should be cautious, before you start.
On GLP-1 therapy? Learn how to protect muscle mass, meet micronutrient needs, and build a sustainable diet. Not medical advice—always consult your provider.
Curious about GLP-1 results? Learn what real-world data and clinical trials say about weight loss, satisfaction, and who responds best. Not medical advice.
Curious about GLP-1 results? Learn what real-world evidence says about weight loss, body composition, and other outcomes. Not medical advice.
Curious about GLP-1 for PCOS? Explore what the latest research says about incretin therapies, ovarian health, and fertility. Not medical advice.
Learn about common GLP-1 side effects, why they happen, and how nutrition strategies can help you stay on track. Not medical advice.
Curious about GLP-1 and exercise? Learn how GLP-1 medications may affect physical activity, muscle mass, and fitness goals. Not medical advice.
The FDA declared the semaglutide and tirzepatide shortages over, and the easy-access window for compounded copies has closed. Here is what is still permitted, what is not, and why patients are getting warning-letter headlines. Not medical or legal advice.
What to expect on liraglutide (Saxenda, Victoza) — a daily-injection GLP-1 with a familiar gut-side-effect profile, plus the serious warnings and management tips. Not medical advice.
Curious about intermittent fasting? Explore what the latest research says about weight, metabolism, and health—plus when to talk to your doctor.
What to expect on semaglutide (Wegovy, Ozempic) — the common gut side effects, the rare but serious ones to know, and practical ways to make the first months easier. Not medical advice.
What to expect on tirzepatide (Zepbound, Mounjaro) — the common gut side effects with real trial rates, the serious ones to watch, and how to make titration easier. Not medical advice.
Wegovy and Zepbound are the two GLP-1 medications FDA-approved for weight loss. A head-to-head trial gives Zepbound the edge on pounds lost — but the right choice depends on your health, coverage, and tolerance. Not medical advice.
Discover GLP-1 nutrition tips backed by research—what to eat, which nutrients to watch, and how to protect muscle while on GLP-1 therapy.
Curious about GLP-1 medications? This consumer guide covers how they work, who they help, and what real-world results look like. Not medical advice.
New to GLP-1 medications? Learn how GLP-1 drugs work, what the research says about weight loss, and what to ask your doctor before starting.
Intermittent fasting isn't one-size-fits-all across the month — and stacked on a GLP-1, the late-luteal week deserves extra care.
Premenstrual hunger is real physiology. Here's how it collides — sometimes helpfully — with a GLP-1's appetite suppression.
Fast weight loss and low intake can disrupt your cycle. Here's how to tell the difference between normal and a red flag.
The 'train with your cycle' advice is everywhere. Here's what the evidence really supports — and what to do with it on a GLP-1.
Rapid weight loss can cost you muscle. Here's why protein and resistance training matter more than ever.
Intermittent fasting and appetite-suppressing medication can stack in ways that hit women differently. Start here.
Semaglutide, tirzepatide, and the rest — what these drugs are, how they work, and what to actually expect.