Depending on the delivery method, I would consider being in on the trials for that. Nothing else has worked long-term. :)
Maybe that why Gay men tend not to be obese.. they are always swaping /transplanting fecal matter amongst different partners.. it may be gross but im not joking on this...
If obesity is related to the variety and types of the gut bacteria you have...
it could be leading an ultra clean anti-bacterial lifestyle it’s our issue.. we need a wider more diverse variety of bacteria in our gut... could explain the French Paradox too the joke being the French are not known for their hygiene