Vitamin D, essential for bone health and immune function, can be supplemented through pills or transdermal patches. Patches suit individuals with digestive issues, offering gradual, steady release, bypassing the gut. Pills offer various dosages and additional nutrients but may cause stomach problems. Effectiveness varies; patches need more research for validation. Vitamin D, essential for bone health and immune function, can be supplemented through pills or transdermal patches. Patches suit individuals with digestive issues, offering gradual, steady release, bypassing the gut. Pills offer various dosages and additional nutrients but may cause stomach problems. Effectiveness varies; patches need more research for validation. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle