Send Jeff what you have.
He does not sell supplements and does not take a cut, so there is no affiliate rate to negotiate. The only question is whether it is worth his clients' money.
What happens next
It reaches Jeff, not a form inboxHe reads every one of these himself.
No affiliate dealsHe tells clients what is worth buying and where. He takes no cut.
Restricted claims are flaggedAnything promising a number arrives marked, and most of those are declined.