Dr. David Orman

Did you know the clock might be just as important as the supplement?
Your body runs on a natural rhythm—called the circadian cycle—and certain health products work better when taken at specific times of day or year. Aligning your intake with these biological windows can dramatically boost absorption, effectiveness, and overall results. Here are 10 unusual but powerful timing facts to enhance your wellness routine.

Vitamin D is best absorbed in the morning when sunlight triggers skin production.

Melatonin supplements are most effective after 9 PM when the body naturally begins winding down.

Probiotics work better before breakfast when stomach acid is low.

Fish oil absorption improves with dinner due to higher fat content in evening meals.

Enzymes like bromelain are strongest taken between meals on an empty stomach.

Ashwagandha calms best when taken in the late afternoon as cortisol dips.

Adaptogens like Rhodiola are more energizing before 10 AM and may disturb sleep if taken late.

Magnesium helps most at night by syncing with natural muscle relaxation.

Vitamin C uptake increases during early activity hours when metabolic rate rises.

Turmeric (curcumin) is more bioavailable when taken with dinner and black pepper due to digestive and absorption patterns.

Timing isn’t just for meetings or meals—it’s a hidden key to unlocking the full power of your health regimen. By syncing your supplements with your body’s natural rhythm, you go from guessing to precision healing. Try adjusting your schedule and watch what happens. Your body already knows the timing. Now you do too.