Go to any animal feed store and you should be able to find the paste. The tube is measured out easily so you can take the recommended amount for your body weight.
I would recommend against microdosing in case it kills useful gut bacteria that helps digest food and protect your stomach. Many neurotransmitters are found and likely produced in the gut by these gut bacteria as well. I think like 50% of Serotonin is found in the gut. Also 70% of signals from the big brain-to-gut artery is from the stomach to brain.
Go to any animal feed store and you should be able to find the paste. The tube is measured out easily so you can take the recommended amount for your body weight.
I would recommend against microdosing in case it kills useful gut bacteria that helps digest food and protect your stomach. Many neurotransmitters are found and likely produced in the gut by these gut bacteria as well.