I believe keto is good for everyone but please always make sure to speak to your doctor before doing any restrictive diet.
Kavita Gujadhur
I would say no as it damages your bone health
Jose C
In my humble opinion when you are old you have to check and validate everything related with health and specially nutrition. But a common keto diet rationally followed shoudn't affect you hard. Anyway check everything with your doctor
W C
It might not be beneficial to eat a high fat diet if ur older