Retesting in general on a regular basis is prudent regardless of all that is being discussed here. Your levels will change with time and age, and adjustments in dosing will be necessary. This has to be taken on an empty stomach first thing in the AM or its effectiveness is compromised. Irregularity in times taken, stomach contents and more can throw its effectiveness way off.

Brian, stage 4 oral cancer survivor. OCF Founder and Director. The first responsibility of a leader is to define reality. The last is to say thank you. In between, the leader is a servant.