Medical reviewer
Dr. Dinesha Alstine, MD
Physician · Longevity & preventive wellness
Dr. Dinesha Alstine is a physician with hospital experience in Guyana’s public health system. She earned her Doctor of Medicine at the Latin American School of Medicine (ELAM) in Havana, Cuba, in 2013, and is registered with the Medical Council of Guyana (No. 653).
She worked as a medical officer at New Amsterdam Hospital, then served as acting Doctor in Charge of Port Mourant Hospital in Region Six. There she led maternity, emergency and outpatient services for the Central Corentyne community. That work showed her how chronic disease, weight and slow recovery shape long-term health.
Today her focus is longevity and preventive wellness: metabolic health, healthy aging, weight management and recovery. At peptides.io she reviews articles before they are published, and again at each update.
What Dr. Alstine reviews
Weight management and GLP-1 education, healthy aging, tissue repair and recovery, hair loss, and general wellness. She checks claims against current guidelines and peer-reviewed sources.
How our medical review works
A writer drafts the article. Editors fact-check the sources. Dr. Alstine then reviews it for medical accuracy and safety against Medscape and other clinical references. When corrections are made, the article carries her name and the date she reviewed it. Read our editorial policy.
Disclaimer
Dr. Alstine reviews content for accuracy. Her review is not medical advice, and she does not treat peptides.io readers. Nothing on this site replaces care from your own clinician.
Articles Dr. Alstine has reviewed
14 articles on Peptides.io carry Dr. Alstine's medical review.
- 30 High-Protein Foods and Easy Protein Boosters30 high-protein foods with USDA grams per serving, how much protein you need a day, and simple ways to add more without extra calories.
- Bacon Calories and Nutrition Facts: How Many Calories Are in a Slice?How many calories are in a slice of bacon, with USDA numbers per slice, full nutrition facts, and how pork, turkey and Canadian bacon compare.
- Calories in Grapes: How Many in a Cup, and Are Grapes Good for You?A cup of grapes has 104 calories in USDA data. Counts by the grape and by the cup, full nutrition facts, how the colors compare, and the benefits.
- Do GLP-1 Patches Work? What the Evidence ShowsNo evidence shows GLP-1 patches cause weight loss. What is actually in them, why skin cannot absorb semaglutide, the risks, and the approved pills.
- Healthy Snacks to Eat: 30 Easy Ideas That Help You Stay Full30 healthy snacks with USDA calories, protein and fiber, what makes a snack healthy under the FDA rule, plus picks for work, bedtime and GLP-1 users.
- Jardiance Side Effects: Common and Serious Ones, and What HelpsJardiance (empagliflozin) side effect rates from the FDA label by dose, the warning signs that need urgent care, and what helps with each.
- Ozempic® Face: Why It Happens and What HelpsWhat "Ozempic® face" is, why fast weight loss on a GLP-1 hollows the cheeks, who is most affected, and which treatments have evidence behind them.
- Ozempic® Pancreatitis Symptoms: Risk and Warning SignsThe pancreatitis warning signs to watch for on Ozempic®, how to tell them from ordinary stomach upset, how often it happens, and what to do.
- Protein Powder for Weight Loss: Does It Work, and How Do You Use It?Does protein powder help you lose weight? What the trials show, how much to use, when to take it, and which type suits which goal.
- Retatrutide Side Effects: What the Trials ShowRetatrutide side effects in trials: nausea, diarrhea and skin tingling, how they rise with dose, and why it is not FDA-approved.
- Retatrutide: What to Know About the Triple-Agonist Weight-Loss ShotRetatrutide is an investigational weekly shot from Eli Lilly that targets three receptors. What the trials show, what is unknown, and the risks.
- What Is the Zepbound® Maintenance Dose After Goal Weight, and What Happens If You Stop?The three labeled Zepbound® maintenance doses, how prescribers choose one, and what SURMOUNT-4 found about weight regain after stopping.
- Why Am I Not Losing Weight? 12 Common ReasonsNot losing weight? 12 common reasons, from eating more than you think to the six-month plateau, and what the evidence says to do about each.
- Zepbound® vs. Mounjaro®: Same Drug, Different UsesZepbound® and Mounjaro® both contain tirzepatide but carry different FDA approvals. Compare uses, dosing, trial results, side effects and coverage.