After trying the various brands, what have you settled on?
This thread seems to indicate that lipsomal delivery might be the best. The brands in the title offer such a product
https://www.longecit...e-2#entry893722
Many reddit threads
https://www.reddit.c..._brand_for_nmn/
https://www.reddit.c...e_we_all_using/
https://www.reddit.c...nad_supplement/
https://www.reddit.c..._infusions_but/





