Megadosing Vitamin C: Is There a Ceiling?
Megadosing vitamin C sounds like more protection, but plasma absorption hits a ceiling at 200-400mg. Here's what the evidence actually shows.
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Vitamins for Frequent Flyers: Jet Lag and Immunity
Frequent flying depletes vitamin D, disrupts circadian rhythms, and strains immunity. Here's what to take and when around flights.
Vitamins for Shift Workers: Sleep, Energy, Immunity
Night shift workers face specific vitamin depletions from reversed sleep cycles. Here's what to take and when.
Vitamins for People Who Skip Breakfast
Skip breakfast? Here's exactly when and how to take your vitamins so fat-soluble nutrients actually absorb.
Vitamins for Frequent Antibiotics Users
Antibiotics do more than fight infection. Here's which vitamins to replenish afterward and exactly how long to take them.
Vitamins for Vegetarians: Top 5 to Add
Vegetarian diets have five structural nutrient gaps. Here's which five actually matter, why the food sources fall short, and what to supplement.
