Both types are used based on whats best for each patient
The liposomes containing NAD+ are microscopic liquid spheres which protect the fragile NAD+ molecule from the digestive process while simultaneously increasing the rate of absorption into the circulation
Appl Microbiol Biotechnol 99(13):53735382 Lazard M, Dauplais M, Blanquet S, Plateau P (2017) Recent advances in the mechanism of selenoamino acids toxicity in eukaryotic cells
Jed Fahey discusses how sulforaphane promotes glutathione production in the brain, even with long-term consumption
Naturally produced in the liver, this powerful tripeptide is made up of glutamine, cysteine, and glycine, and plays a vital role in defending your cells from oxidative stress, environmental toxins, and inflammation
As noted earlier, I suggest about 1 to 3 grams per day of combined EPA and DHA for most people