First as a disclaimer: I am not a medical professional, so anything I say can be taken extremely lightly.

When I was a teenager and before that for years I had not eaten almost any butter or oil and I noticed something interesting. I think these things are counter-productive.

Many people have joint problems later on in life. Their joints get dry. My joints were extremely lubricated so I had ease with movement and lifting things whether it was carrying something or my 20 pound weight from time to time. The muscles were fine the day after except for mild soreness from mild lifting.

I've been thinking and I studied medicine. The body tries to stay the same but it changes itself towards the other end sometimes when you do something. I've seen many people on youtube take something such as coconut oil before they work out. I think this is good short term but your body actually dries your joints from doing it many years later.

I don't know if this is useful. You would need to do case studies and doctors and scientists would need to verify it but it could be good for our growth as a population.