AOKLINIK Penang – Longevity & Wellness Division Vitamin D deficiency Therapy Penang At AOKLINIK Penang, our practice in longevity and preventive medicine is grounded in addressing the deeper biological factors that drive aging and disease. Among the most fundamental yet frequently overlooked components of optimal health is Vitamin D —a nutrient essential for immunity, metabolic function, and cellular aging. Although Malaysia enjoys year-round sunlight, Vitamin D deficiency is