Vitality offers a flavored oxygen bar and futuristic water massage capsules that don’t get you wet. They also sell various electro-massage devices and benign cold packs and scented eye masks. Before I knew it, the Serbian saleslady was reaching under my shirt to attach an electro-stimulator to my shoulder. No fair! Two Locations: Beach Street, and Pier 39 at Fisherman’s Wharf, San Francisco.