Vitamin D: The Steroid Hormone Derived from Liver Cholesterol That Boosts Testosterone Vitamin D isn’t just another vitamin — it’s a powerful steroid hormone synthesized from cholesterol in your liver and skin. Often called the “sunshine hormone,” it plays a critical role in hormone balance, including testosterone production. If you’re dealing with low energy, muscle… Continue reading Vitamin D: The Steroid Hormone Derived from Liver Cholesterol That Boosts Testosterone