Ben Greenfield

Peptides are short chains of amino acids, usually 20 amino acids or shorter, that when injected can act on a specific organ with pretty good precision.

And so I injected something called thymus and alpha-1 this morning, which makes my body churn out a whole bunch of extra killer cells.

So this morning, I was just in LA and one of my friends who I was with down there, she texted me and she has COVID and I was with her for like three hours.

And that's an example of using a peptide in a smart way to, in this case, act on the thymus to upregulate my immune system.

And so I injected something called thymus and alpha-1 this morning, which makes my body churn out a whole bunch of extra killer cells.

For fat loss?

Five, because it depends.

New research shows that when you do a cold bath or cold exposure, the average person goes on to eat an extra 300 to 400 calories.

And that's an example of using a peptide in a smart way to, in this case, act on the thymus to upregulate my immune system.

So if you don't combine it with actual appetite control, it's probably going to be a wash.

For fat loss?

Five, because it depends.

New research shows that when you do a cold bath or cold exposure, the average person goes on to eat an extra 300 to 400 calories.

It is a myth that women shouldn't do it.

It's not like extra stressful for women and won't make women fat.

It's a myth that it's not good for muscles because you gotta be in there for like 10 plus minutes for that effect to set in.

So if you don't combine it with actual appetite control, it's probably going to be a wash.

So overall, it can be pretty good, but only if someone is also

It is a myth that women shouldn't do it.

controlling how many calories they eat.