Choline/Honey combination is my key in reducing AHI.
Sources of Choline include DMAE, Citicoline, Eggs, Beef liver etc.; Google them & find what works for you.
I have found honey along with Choline before bedtime works.
The "right" dosage for your body/brain must be found by trial & error.
I wear an oximeter every night which yield an AHI estimate daily.
amazon.com/gp/product/B01FN...
Great video on Choline along with useful links:
youtube.com/watch?v=gY0YL_G...
Please consult your doctors before trying anything.