The mechanism depends on the specific peptide: some enhance immune surveillance
Yes, you can drink coffee with glutathione, but it's best to avoid consuming them at the same time to optimize absorption
doi: 10.1080/15548627.2017.1395992 31 LudwigAKGiebelB

Suspending agents include by example only, compounds such as polyvinylpyrrolidone, e.g., polyvinylpyrrolidone K12, polyvinylpyrrolidone K17, polyvinylpyrrolidone K25, or polyvinylpyrrolidone K30, vinyl pyrrolidone/vinyl acetate copolymer (S630), polyethylene glycol, e.g., the polyethylene glycol has a molecular weight of about 300 to about 6000, or about 3350 to about 4000, or about 7000 to about 5400, sodium carboxymethylcellulose, methylcellulose, hydroxypropylmethylcellulose, hydroxymethylcellulose acetate stearate, polysorbate-80, hydroxyethylcellulose, sodium alginate, gums, such as, e.g., gum tragacanth and gum acacia, guar gum, xanthans, including xanthan gum, sugars, cellulosics, such as, e.g., sodium carboxymethylcellulose, methylcellulose, sodium carboxymethylcellulose, hydroxypropylmethylcellulose, hydroxyethyl cellulose, polysorb ate-80, sodium alginate, polyethoxylated sorbitan monolaurate, polyethoxylated sorbitan monolaurate, povidone and the like
doi:10.1038/89937
Acetyl-L-Carnitine Gummies, containing 1000mg of Acetyl-L-Carnitine, enhance memory and concentration and help maintain a healthy immune system