Now the famed beer company is broadening into bud beverages: Pabst Blue Ribbon offers a Cannabis Infused Seltzer - a non-alcoholic, THC-infused lemon seltzer packed with five milligrams of marijuana’s main active ingredient in each 12-ounce can. This microdose is designed as a go-to drink for both casual and experienced cannabis users. Healthwise, this drink has 25 calories and four grams of sugar per serving. 25 calories per can, 5 milligrams per can.