Eating healthy can raise questions such as, "Are crayons a fruit or a vegetable?" and "How many steaks does a growing baby need?" Answer culinary inquiries with today's Groupon: for $20, you get $40 worth of health food and supplements at Fountain of Health Market.

Owner and clinical nutritionist Judie Boothe stocks Fountain of Health's shelves with a bounty of products for nourishing bodies and boosting immune systems. Cereal bars from Nature's Choice replenish spent calories with tongue-charming flavor combinations such as cherry and strawberry ($4.35, box of 6). For a boost of postworkout power or a first step toward the astronaut lifestyle, a Balanced high-protein chocolate drink can add discipline to rogue amino acids ($2.99), and younger self-caretakers invigorate their constitutions with Bluebonnet Nutrition multi-vitamins ($14.50, one-month supply). After working on inner well-being, health zealots can care for their exteriors with Reviva ultra-rich moisturizer ($10.99) or Rachel Perry bee pollen-jojoba moisturizer cream ($12.99), which help faces become smoother and more brilliant than Lincoln playing the jazz saxophone.