Do You Still Believe That Exercise is Necessary for Weight Loss? Well, I've Got Some News For You!

I once made the following post that enraged more people than I initially thought was possible 😂:

The angry and sometimes hateful comments that came below that post didn't even make sense, because most people don't even like exercising, period. Let alone for weight loss. Yet here were hundreds of people insisting that exercise is essential for weight loss and that anyone who says otherwise is crazy. Well, biology and physiology do not agree with them. Here's...

The Science

That facial expression during exercse look familiar?

The connection between exercise and weight loss is overrated.

The number of calories stored as body fat burned during a workout is overrated. Most of the energy you spend—especially during weightlifting or HIIT—comes from stored carbohydrates (glycogen) converting into muscle energy (ATP), while very little comes directly from stored body fat during the workout itself.

When you think about it, this makes complete economic sense.

Your body is practising smart finance: balancing immediate cash flow against long-term savings.

How Your Body Budgets Energy During a Workout

During intense exercise like weightlifting, sprinting, or HIIT, your muscles face a sudden energy crisis—they need a lot of fuel immediately, with no time to prepare. Because of this, your body spends stored carbohydrates instead of stored fat. Glycogen acts like instant checking-account cash, converting into muscle energy rapidly without needing oxygen.

Meanwhile, your body protects its massive fat reserves like a high-yield savings account. Fat packs more than double the energy per gram, making it ideal for survival, but it takes too long to withdraw for fast bursts. By spending your small, local carb supply during brief, intense effort, your body preserves your vast fat stores to keep your vital organs and daily movement running smoothly all day long.

This is why exhausting yourself at the gym every day—especially when you are already tired, busy, or struggling with cravings—often leaves you frustrated and stuck, having you gain even more weight, or losing weight on the scale, but your clothes never get looser!

So, What’s the Better Solution for practical and Sustainable Weight Loss?

Eat a filling, healthy, and balanced diet—and treat exercise as long-term insurance for your strength, flexibility, and mobility rather than a way to burn off excess fat or what you ate and are now guilty of.

When you gently dial back (reduce) the food group that supplies your body with the fastest, easiest energy—carbohydrates—without cutting them out completely, and fill up on satisfying portions of protein, vegetables, and healthy fats instead, you put your body in a comfortable, well-nourished state. Because it isn't stressed, hungry, or deprived, it naturally begins to let go of its excess body fat reserves on its own.

(Related Reading: Can You Eat Ugali/Pap/Sadza, Rice, Potatoes and Chapati and Still Lose Weight?)

Working with Your Body's Smart Financial Strategy By Improving On Nutrition

This approach also makes complete economic sense for your metabolism:

• Lowering the "Storage Lock": By slightly reducing the incoming "fast cash" (carbohydrates) from your diet, you lower insulin—the hormone that keeps your fat cells locked.

• Protecting Your Essential Supplies: Keeping your protein, healthy fats, and micronutrients fully stocked ensures your body never enters starvation panic.

• Steady Withdrawals From Savings: Instead of slashing its metabolic budget or hoarding fat to survive, your body stays calm, keeps spending energy freely, and steadily withdraws from its "savings account" (excess body fat) to cover the small daily difference.
  

How to Put This Into Practice Today

So, in practice, it looks as simple as this:

1. Prioritise protein and colour: Build most of your meals around a generous serving of protein and colourful vegetables.

2. Include healthy fats: Cook your food with healthy fats or include them as a side in your meals so you stay full for hours.

3. Keep a modest carb portion: Enjoy a sensible portion of your favourite everyday carbohydrates—whether that is ugali, rice, chapati, or potatoes—to fuel your daily movement without overflowing your energy budget.
   

And just like that, without punishing workouts or giving up the foods you love, you are well on your way to long-term, sustainable weight loss.

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