Supplement School

Vitamin K2 is an often overlooked nutrient that plays a key role in calcium balance, bone strength, and overall wellness. Learn how vitamin K2 differs from K1, why dietary intake tends to be low, the benefits associated with K2, and the best food and supplement sources to support healthy levels.

A clear, friendly guide explaining what natural flavors really are, how they’re regulated, and what consumers should know about their safety and use.

Discover how vitamin A — in both its dietary and topical forms — supports skin health, from cell turnover and texture to overall wellness, and learn safe, plant-based supplement options.

Elderberry isn’t a magic cure—but research suggests it may offer benefits for immune support, cold symptom relief, and antioxidant activity. Effect sizes vary, and more large, high-quality studies are needed. If you're thinking about trying it, pick products with clear labeling, high quality control, and speak with your healthcare provider.

Vitamin D is more than just a bone-health booster—it supports immunity, mood, pregnancy health, and even athletic performance. Because everyone’s needs are different, it’s important to talk to your doctor about your Vitamin D levels and whether supplementation is right for you