Dorothy M. Shirnyl, RND

Dorothy M. Shirnyl, RND

Dorothy M. Shirnyl, RND, is a licensed Registered Nutritionist-Dietitian and health writer with expertise in public health nutrition. She holds a Bachelor of Science in Nutrition and Dietetics and a Master of Public Health (MPH) with a concentration in Public Health Nutrition from Silliman University, one of the Philippines' top universities. She is licensed by the Professional Regulation Commission (PRC) of the Philippines.

Dorothy brings diverse clinical and educational experience to her writing. She served as an Instructor at Negros Oriental State University, where she taught food technology students courses in food safety, sanitation, hygiene, and food service. She has also worked as a Food Safety Officer for YLO Corporation, overseeing food safety protocols across multiple restaurant chains, and as a clinical Nutritionist-Dietitian.

Her evidence-based nutrition and wellness content has been published on Clean Eatz Kitchen, Daily Healthy Body, and IVL Health News. Dorothy specializes in translating complex nutrition research into accessible, actionable content for readers seeking to improve their health.

When she's not writing or teaching, Dorothy enjoys traveling, cycling, running, cooking, baking—and a good cup of coffee (she's also a TESDA-certified barista).




The Ultimate Guide to the GLP-1 Diet: What to Eat for Optimal Results?

The Ultimate Guide to the GLP-1 Diet: What to Eat for Optimal Results

Dorothy M. Shirnyl, RND 35 minute read

Nutrition | Weight Loss

Looking for a Factor Alternative? Clean Eatz Kitchen vs Factor Comparison (2026)

Looking for a Factor Alternative? Clean Eatz Kitchen vs Factor Comparison (2026)

Dorothy M. Shirnyl, RND 21 minute read

Nutrition | Healthy Recipes | Weight Loss | Healthy Lifestyle

Beginner's Guide to Macros: Balance Protein, Carbs & Fats

Beginner's Guide to Macros: Balance Protein, Carbs & Fats

Dorothy M. Shirnyl, RND 15 minute read

Nutrition | Healthy Recipes | Healthy Lifestyle

The Ultimate Guide to HYROX: Everything You Need to Know (2026)

The Ultimate Guide to HYROX: Everything You Need to Know (2026)

Dorothy M. Shirnyl, RND 15 minute read

Exercises & Fitness

Peptides: What They Are & Why People Inject Them (Complete 2026 Guide)

Peptides: What They Are & Why People Inject Them (Complete 2026 Guide)

Dorothy M. Shirnyl, RND 18 minute read

Nutrition | Healthy Lifestyle

Is Chick-fil-A Healthy? The Complete Truth About Nutrition, Ingredients & Smart Menu Choices (2026)

Is Chick-fil-A Healthy? The Complete Truth About Nutrition, Ingredients & Smart Menu Choices (2026)

Dorothy M. Shirnyl, RND 9 minute read

Nutrition | Weight Loss | Healthy Lifestyle

Does Green Tea Help Weight Loss? Science Says (2026)

Does Green Tea Help Weight Loss? Science Says (2026)

Dorothy M. Shirnyl, RND 17 minute read

Nutrition | Healthy Recipes | Weight Loss | Healthy Lifestyle

Benefits of Eating Seasonal Produce (2026)

Benefits of Eating Seasonal Produce (2026)

Dorothy M. Shirnyl, RND 11 minute read

Nutrition | Healthy Recipes

Eating for Your Fitness Goals: How to Pair Meals & Workouts

Eating for Your Fitness Goals: How to Pair Meals & Workouts

Dorothy M. Shirnyl, RND 11 minute read

Nutrition | Weight Loss | Healthy Lifestyle

How to Enjoy Holiday Meals Without Derailing Your Goals

How to Enjoy Holiday Meals Without Derailing Your Goals

Dorothy M. Shirnyl, RND 8 minute read

Nutrition | Weight Loss | Healthy Lifestyle

Scary Ingredients in Halloween Candy

Scary Ingredients in Halloween Candy

Dorothy M. Shirnyl, RND 10 minute read

Nutrition | Healthy Lifestyle

How Your Gut Biome Is Connected to Brain Function

How Your Gut Biome Is Connected to Brain Function

Dorothy M. Shirnyl, RND 17 minute read

Nutrition | Mental Health