Thread by @AbrisGains

You're getting older, your metabolism is slowing down, and it's killing your fat loss.

Just eating less and moving more isn't enough anymore.

Here are 7 unconventional hacks to boost your metabolism and lose fat (bookmark this):🧵

1. Rucking

2. Cold exposure.

When you plunge into cold water, your body floods with norepinephrine and activates brown fat.

Brown fat literally burns calories to generate heat.

Start with 30-60 second cold showers in the morning.

Build up to 2-3 minute plunges at 50-55°F.

3. Berberine.

This plant compound activates AMPK, the same metabolic switch your body flips during fasting and intense training.

It tells your cells to burn glucose instead of storing it and blunts insulin spikes after meals.

This is hands down the best Berberine I've found on Amazon:

- Made in the USA
- Third-party tested
- 1,000mg per serving

Help boost your metabolism and burn fat here (my affiliate link): 👇

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4. Sauna.

Heat stress triggers heat shock proteins that repair damaged mitochondria and increase growth hormone.

It also burns calories without movement and mimics low-intensity cardio.

Aim for 15-20 minutes at 170-180°F, 3-4 times a week.

5. Chew gum BEFORE every meal.

15 minutes of chewing fires up your vagus nerve and primes GLP-1, the same hormone Ozempic mimics.

The result?

You feel less hungry and you eat less.

6. Fix your sleep.

Poor sleep slows your metabolism, decreases growth hormone, testosterone, insulin sensitivity and increases cortisol.

Improve your sleep by not eating within 3 hours before bed, avoid your phone 1 hour before bed and taking sleep supplements.

Here's the best sleep supplement I could find:

- Made in the USA
- Third-party tested
- 10 different sleep supplements in one

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7. Sleep in a cold room.

Sleeping at 60-66°F can force your body to activate brown fat all night to maintain your core temperature.

Brown fat burns calories purely to generate heat.

A 2014 study showed this.

The Bottom Line:

Exercise and eat healthier but also follow tips like these to boost your metabolism so you can lose fat even more easily.

Then you can lose fat no matter your age.

If you liked this thread:

1. Follow me @AbrisGains for more
2. Bookmark the tweet below to save these tips:

If you're a male entrepreneur or executive based in the US wanting to get in the best shape of your life this year:

👉 DM me "2026"

We'll talk about how you can do that:

- Still enjoying your diet
- No matter how busy you are
- Without starving or counting calories
x.com/messages/compo…

I've helped 80+ high achievers over the age of 40 get in the best shape and health of their lives without sacrificing their:

- Social life
- Family time
- Favorite foods.

DM me "2026" if you want the same.