Keto & Metabolic Health Writer
Alex Kim
CN · Metabolic Health Coach
Certified Nutritionist and Metabolic Health Coach specialising in ketogenic diets, carb cycling, and metabolic flexibility. Writes the keto and advanced nutrition content.
5 articles published
About Alex
Alex Kim is a Certified Nutritionist and Metabolic Health Coach with a decade of experience working at the intersection of low-carbohydrate nutrition, metabolic flexibility, and body composition optimisation.
Alex came to ketogenic nutrition through personal necessity, diagnosed with insulin resistance at 26, he spent two years deep-diving into the metabolic science and used a structured ketogenic approach to reverse his condition. That experience turned into an obsession with understanding how different macronutrient ratios affect fuel utilisation, ketone production, and hormonal signalling.
At MyMacroFit, Alex writes the keto, carb cycling, and calorie deficit science content. His articles go deep: he explains why the ketogenic macro split is 70/25/5 rather than just asserting it, breaks down the glycolytic vs. oxidative energy systems in plain language, and gives readers the actual numbers they need to implement, not just vague guidelines.
He is a regular contributor to metabolic health forums and has created several widely-shared guides on transitioning in and out of ketosis, fat adaptation timelines, and the metabolic effects of carb refeeds.
Areas of Expertise
- Ketogenic diet & ketosis protocols
- Metabolic flexibility & insulin sensitivity
- Carb cycling & periodised nutrition
- Calorie deficit science & fat oxidation
- Intermittent fasting & metabolic health
- Blood glucose & hormonal regulation
Gallery
Articles by Alex
All articlesCarb Cycling for Women: The Complete Beginner's Guide
A complete beginner's guide to carb cycling for women, what it is, how to structure high and low carb days, and a sample week plan with meals.
Intermittent Fasting 16/8: The Complete Guide
Everything you need to know about the 16/8 intermittent fasting protocol, how it works, the real benefits, how to start, and how to avoid the common mistakes.
Keto Macros: The Exact Ratio You Need
The complete guide to keto macros, the 70/25/5 split, how to calculate your personal targets, what foods fit, and the mistakes that kick you out of ketosis.
BMR vs TDEE: The Complete Explanation
Learn the exact difference between BMR and TDEE, which one to use for your calorie goal, and how the two numbers work together in any diet or fitness plan.
TDEE Calculator: What It Is and Why It Matters
Everything you need to know about Total Daily Energy Expenditure, what it is, how it's calculated, and why it's the most important number in any fitness plan.