20% body fat for women, or 10% for men, are suggested in this video as ideal levels of adiposity for most people. While we certainly do have wiggle-room in either direction, going much higher than that can create a metabolic strain, and going much lower than that can cause immune dysfunction, organ damage, brittle bones, and more.

This video assumes you want to get down to those figures. If you want to go up to those figures because you are currently underweight, check out: How To Gain Weight (Healthily!)

Look at the small picture

The main trick, we are told, is to focus on small, incremental changes rather than obsessing over long-term weight loss goals (e.g. 20% body fat for women, 10% for men).

Next, throw out what science shows doesn’t work, such as restrictive or extreme dieting:

• Restrictive dieting doesn’t work as the body will try to save you from starvation by storing extra fat and slowing your metabolism to make your fat reserves last longer
• Extreme dieting doesn’t work because no matter how compelling it is to believe “I’ll just lose it in this extreme way, then maintain my new lower weight”, the vast body of research shows that weight loss in this way will be regained quickly afterwards, and for a significant minority, may even end up putting more back on than was originally lost. In either case, you’ll have put your mind and body through the wringer for no long-term gain.

The recommendation comes in three parts:

1. Shift your mindset: detach motivation from timelines and vanity goals; focus instead on lifelong health and sustainable habits.
2. Use an analytical approach: apply engineering principles: collect honest data and identify bottlenecks. Track food intake consistently, even during slip-ups, to identify areas for improvement. You remember the whole “it doesn’t count if it’s from someone else’s plate” thing? These days with food trackers, a lot of people fall into “it doesn’t count if I don’t record it”, but a head-in-the-sand approach will not get you where you want to be.
3. Tackle bottlenecks incrementally: focus on one small, impactful change at a time (e.g. reducing soda intake). This way, you can build habits gradually to prevent willpower burnout and sustain your progress.

As an example of how this looked for Viva (in the video):

• > 30% body fat stage: she focused on reducing processed foods and portion sizes.
• 29–25% body fat stage: she prioritized nutrient-dense foods and reduced dining out.
• 24–20% body fat stage: she added strength training, improved sleep, and addressed her cravings and energy levels.

In short: look at the small picture; adjust your habits mindfully, keep a track of things, see what needs improvement and improve it, and don’t try to speedrun weight loss; just focus on what you are tangibly doing to keep things heading in the right direction, and you’ll get there 1% at a time.

For more on all of this, enjoy:

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Want to learn more?

You might also like to read:

Lose Weight, But Healthily ← our own guide, which is also consistent with the advice above, and talks about some specific things to pay attention to that weren’t mentioned in the video

Take care!