Educational purposes only. This information is not a substitute for professional medical advice. Always consult your healthcare provider before starting any new supplement or remedy, especially if you take medications or are pregnant.
Low mood, fatigue, increased sleep, and carbohydrate cravings during darker months.
The sunshine vitamin that most people are deficient in during winter months.
How to Use
Take 2000-5000 IU of Vitamin D3 daily with a fat-containing meal. Get levels tested — optimal is 40-60 ng/mL.
Why It Works
Vitamin D receptors are found throughout the brain, including areas that regulate mood. Low vitamin D is strongly correlated with depression. D3 supports serotonin synthesis.
Using a bright light box to simulate natural sunlight exposure.
How to Use
Use a 10,000 lux light therapy box for 20-30 minutes each morning, within the first hour of waking. Position 16-24 inches from your face.
Why It Works
Bright light suppresses melatonin production and stimulates serotonin synthesis. It also helps reset the circadian rhythm, which shifts during shorter days.