Take Vitamin D If You Work Indoors

The Problem

You work indoors, rarely get sunlight, feel tired and moody especially in winter.

The Hack

Take 2,000-4,000 IU Vitamin D3 daily with a meal containing fat for absorption.

Why It Works

Indoor lifestyles make D deficiency extremely common. Low D causes fatigue, depression, weakened immunity.

Pro Tips

• D3 is more effective than D2
• Take with fatty meal for 50% better absorption
• 2,000 IU daily is safe for most adults
• Optimal range: 40-60 ng/mL