Your Complete Guide to Diet, Metabolism and Bodyweight Training (Nutrition, Metabolism and Muscle) book cover by Sam Smith

Fat loss · muscle · no gym needed

Nutrition, Metabolism & Muscle: your complete guide to diet, BMR and bodyweight training

5.0 from 7 ratings on Gumroad

Tired of contradictory diet advice? This guide turns nutrition science into a simple plan: work out your numbers, eat to match your goal, and build muscle with bodyweight training you can do anywhere. No fads, no supplements required.

  • 52-page guide in 14 chapters
  • BMR and macro calculator sheet
  • Printable workout tracker
  • 3 sample meal plans: fat loss, maintenance, muscle gain

$19 one-time · instant download

52

pages

14

chapters

3

sample meal plans

5.0 ★

from 7 ratings on Gumroad

What’s inside

Know your numbers, then train smarter

From BMR and macros to a bodyweight routine you build yourself.

Your numbers

How to calculate BMR, daily energy needs and a calorie target for fat loss, maintenance or muscle gain.

Macros made simple

Protein, carbs and fats, and how to balance them without obsessing over every gram.

Micronutrients

The vitamins and minerals that matter most for energy and recovery.

Bodyweight training

Beginner-to-advanced routines with zero equipment, at home or in a hotel room.

Program design

Reps, sets, progression and recovery, so you keep improving and avoid burnout.

Plateaus

What to change when fat loss or muscle gain stalls.

Chapter by chapter

  • The problem with most fitness advice
  • Macronutrients: fueling your body intelligently
  • Micronutrients: the power of the small stuff
  • Energy balance and calories: math that matters
  • Understanding your BMR: the key to smart eating
  • Supporting a healthy metabolism
  • Bodyweight training fundamentals
  • Total-body strength without equipment
  • Building a routine that works for you
  • Nutrition for performance and recovery
  • Troubleshooting fat-loss and muscle plateaus
  • Lifestyle habits that reinforce your progress
  • Your long-term plan for health and longevity
  • Resources, calculators and tools

Bonuses included

Plug-and-play tools, free with the guide

Use them alongside the book to put it into practice from day one.

Bonus 1

BMR + macro calculator sheet

Enter your details and get your calorie and macro targets.

Bonus 2

Printable workout tracker

Log every session and see your progress week by week.

Bonus 3

3 sample meal plans

Fat loss, maintenance and muscle gain, ready to follow or adapt.

Who it’s for

For real people with busy lives

  • Beginners starting from zero who want a clear plan
  • Busy people who train at home or while traveling
  • Anyone stuck on a plateau or tired of yo-yo dieting
  • People who care about long-term health as much as looks

I’m Sam Smith, a men’s fitness and stamina coach with more than 10 years of experience coaching in person and online. I’m a coach, not a medical doctor, and my books are educational. More about me.

Not the right fit if…

  • You’re looking for a crash diet or a detox
  • You have a medical condition, are pregnant or take medication and haven’t spoken to your doctor about changing your diet

Get the book

Get your plan and tools

One payment, instant download, calculator and meal plans included.

Guide + tools

Nutrition, Metabolism & Muscle

$19

one-time · instant download

  • 52-page guide (PDF)
  • BMR + macro calculator sheet
  • Printable workout tracker
  • 3 sample meal plans

Secure checkout on Gumroad. Questions first? Message me on Telegram.

Keep reading

Free articles that go with this book, plus my free starter plan.

Nutrition

The 30-30-30 diet plan, explained

What it is, who it suits and how to try it.

Fat loss

How to lose weight with mindful eating

Eat less without feeling deprived.

Muscle

Building muscle on a budget

Cheap, effective protein and food swaps.

Home workouts

Equipment-free lazy workout routine

A no-equipment routine you can do anywhere.

Muscle

How to bulk up as a skinny guy

Training and eating to gain muscle, step by step.

Free guide

The free 7-Day Stamina Starter

10 to 15 minutes a day of breathing, mobility and short bodyweight sessions, plus a tracker. Free by email.

FAQ

Frequently asked questions

Do I need a gym or equipment?

No. A floor and a sturdy chair or table are enough.

Is this keto, vegan or another fad diet?

No. It’s a flexible, food-first approach that works with any eating style.

I’m a complete beginner. Is it for me?

Yes. It starts with the basics and gives beginner versions of every workout.

Want a plan written just for you?

My Personal Nutrition Plan ($79) is written for you from a questionnaire, and the 4-week coaching option ($149) adds weekly check-ins. See my plans.

What format is it?

A PDF you can read on your phone, tablet or computer, plus the bonus tools.

Is Sam Smith a medical doctor?

No. I’m a fitness coach, not a medical doctor. FitWithDrSam is my brand name. My books are educational and are not a diagnosis or treatment.

How do I get the book after I pay?

Checkout is on Gumroad. You get an instant download link by email, and the files stay in your Gumroad Library so you can download them again any time.

General fitness and nutrition education for healthy adults, not medical or dietetic advice. Sam Smith is a fitness coach, not a medical doctor or registered dietitian. Talk to your doctor before big changes to your diet or exercise if you have a health condition, are pregnant or take medication. Results vary.

Similar Posts