Merina Nutrition

Blog

Nutrition research, wellness tips, and practical guides for women over 40.

Article

Why This Breakfast Formula Works

Most women over 40 start their day with 10-15 grams of protein at breakfast. But research shows you need 25-30 grams - with at least 3-4 grams of leucine - to maximize muscle protein synthesis. This...

Article

What is DIAAS?

Two protein powders sit on the shelf. Both say "30g protein." Same price. Same size. But one will help you build muscle, and the other won't. The difference? DIAAS scores - and most people have never...

The Oxygen Mask Principle
Article

The Oxygen Mask Principle

On every flight, the safety announcement reminds us: "Put your own oxygen mask on first before helping others." But how many of us actually apply this wisdom to our daily lives?

Article

The Old Rule: Complete Proteins Required

For decades, we've been told that plant-based eaters must carefully combine proteins at every meal to create "complete" proteins. Rice and beans together. Peanut butter with whole wheat bread. Hummus...

Article

What is Leucine?

You're eating 100 grams of protein per day. You're tracking every meal. You're doing everything right. But your muscles are still shrinking. Why? Because you're missing the leucine threshold - and...

Article

The Protein Paradox

If you're eating plenty of protein but still losing muscle, the problem might not be how MUCH you're eating - it might be WHAT you're eating. Because here's something most women don't know: Not all...

The Plant Protein Advantage for Heart Health
Article

The Plant Protein Advantage for Heart Health

Let's wrap up Heart Health Week with something empowering: You don't need to go fully vegetarian to gain heart protection from plant proteins. Research shows that simply substituting plant proteins...

How Protein Protects Your Heart During Menopause
Article

How Protein Protects Your Heart During Menopause

If you're a woman over 40, here's a number you need to know: 22%. That's how much lower your heart disease risk is when you consume adequate protein - at least 1.2 grams per kilogram of body weight...

Complete vs Incomplete Proteins - Do You Need to Worry?
Article

Complete vs Incomplete Proteins - Do You Need to Worry?

If you've ever tried to eat more plant-based, you've probably heard that you need to "combine proteins" to get complete nutrition. Rice and beans. Peanut butter and bread. Lentils and quinoa. But is...