Tired of feeling drained after 40? This guide cuts through the noise on essential vitamins for men like us—refusing to slow down. Learn why gut health is key to absorbing nutrients, how aging demands more than basic RDAs, and top picks like Vitamin D, B12, Omega-3s, Magnesium, and Zinc to boost energy, strength, and testosterone. Fix your gut, exceed the minimums, and dominate life again. Real talk for real men.