Probiotics are poorly regulated, just like other supplements

The Human Microbiome Project and other microbiome projects worldwide have laid an important foundation for understanding the trillions of microbes that inhabits each of our bodies.

Sample plot of Michael Pollan’s gut biome data for the heck of it

Not without its limitations, though;

If you have ever taken a lot of antibiotics, or even just a few very powerful ones, and if you have suffered various health consequences after, then you already know that having a healthy gut with lots of wee microbial helpers is definitely important.

Fermented foods are a nice, time-tested reset for your digestive tract.

Consuming fermented foods (and we humans make so very many!)

is good housekeeping, or gut-keeping, though I admit that fermented shark meat is a bridge too far for me.

@seyo has it right: skip the supplements… humans have been consuming fermented food and drink for millennia, and these are proven performers, historically our first and best probiotics.

and… with 516 contributions to this [now locked] BB thread:

I learned a lot there, a few years ago. Thanks again, y’all.

Standard disclaimer: YMMV. I make pickles and kombucha. I am not a doctor or other health professional. Offer void where prohibited. Etc.

ETA: grammar, and added links