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Workouts, Nutrition & Training Tips

Evidence-based fitness advice from NASM-certified trainer Marco Rivera — 8 years, 500+ clients, no paywalls.

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Beginner • 10 min read

The 30-Day Home Workout Plan for Beginners (No Equipment Needed)

If you've never worked out consistently before — or if you've started and stopped more times than you can count — this is the plan I'd hand you on day one. Zero equipment, 30 minutes a day, four weeks of structure. By the end, you'll have built a real foundation and the habit of showing up.

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Habits • 6 min read

How to Build a Morning Workout Habit That Actually Sticks

Most people fail at morning workouts not because they lack discipline — they're just setting themselves up wrong from the start.

Training • 7 min read

HIIT vs. Strength Training: Which Is Better for Fat Loss?

Both burn fat — but they do it differently. The right choice depends on your goals and what you'll actually stick to.

Nutrition • 8 min read

What to Eat Before and After Your Workout (A Complete Guide)

Timing your nutrition around exercise can make a real difference in your energy and recovery — and it's simpler than most people think.

Tips • 9 min read

10 Workout Mistakes That Are Sabotaging Your Results

After working with hundreds of clients, I keep seeing the same mistakes. Fixing even a few of these will make your training significantly more effective.

Equipment • 7 min read

How to Build a Home Gym for Under $200

You don't need a rack of machines. Here's the exact equipment I'd buy first for a fully capable home setup.

Nutrition • 6 min read

How Much Protein Do You Actually Need? (The Real Answer)

The research-backed answer to one of the most-asked questions in fitness — and why most people get it wrong.

Training • 8 min read

The Science of Progressive Overload (And Why It's the Only Thing That Matters)

Every training result you've ever achieved came from one principle. Here's how to apply it with intention.

Nutrition • 7 min read

How to Lose Weight Without Counting Calories

Calorie counting works — but it's not the only way. Here are the strategies that produce real results without the math.

Recovery • 8 min read

The 10 Best Exercises for Lower Back Pain

Most back pain is addressable with the right movement. These exercises have helped dozens of my clients get lasting relief.

Recovery • 7 min read

Why Sleep Is Your Most Powerful Recovery Tool

You can train perfectly and eat well — but without quality sleep, you're leaving most of your results on the table.

Training • 8 min read

The Ultimate Full-Body Dumbbell Workout

One pair of dumbbells, 45 minutes, every muscle group. The workout I program for time-crunched clients.

Nutrition • 6 min read

What to Eat Before and After Your Workout (The No-BS Guide)

Cut through the noise on workout nutrition — what to eat, when, and how much to actually see results.

Marco Rivera — NASM-CPT • Precision Nutrition Coach • Miami, FL

8 years coaching real people — beginners, busy parents, desk workers. Everything on this site is free because good fitness information shouldn't cost anything.

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