Advanced Nutrients by Thorne

If you want a high-potency multivitamin that actually moves lab markers, this fits people with demanding training or travel schedules, low fruit-and-vegetable intake, or those whose Vitamin D, 25-Hydroxy or RBC Magnesium are in the lower normal range. It’s also a practical upgrade if your Homocysteine runs high and you’ve been using basic multis without methylated B vitamins. If you already eat impeccably and your panels are consistently solid, a simpler multivitamin is usually enough.

The formula leans on bioavailable forms: methylcobalamin (active B12), L‑5‑MTHF (active folate), and chelated minerals like magnesium and zinc bisglycinate that absorb better with fewer gut issues. Nicotinamide riboside raises NAD+ (the molecule your cells use to run energy reactions), and quercetin phytosome plus trans-resveratrol are polyphenols that modulate oxidative stress and inflammatory signaling, which can show up as small drops in hs-CRP (a general inflammation marker) in responders. Carotenoids—lutein, zeaxanthin, and astaxanthin—feed macular pigment density for visual function. Vitamin K2 MK-7 activates proteins that steer calcium into bone and away from arteries.

Take 4–8 capsules with meals, split across breakfast and dinner for steadier absorption. Fat-soluble vitamins (A, D3, E, K) absorb best with food that contains some fat. Because B vitamins can feel energizing, avoid taking the full amount at night. Recheck Vitamin D, 25-Hydroxy and Homocysteine in 8–12 weeks; A1c needs about 12 weeks, and RBC Magnesium about 8 weeks. If you run closer to repletion, the lower end of the dose is maintenance; full dose is for heavier demands.

Warfarin users should avoid changes in vitamin K without clinician guidance. Separate thyroid hormone from this multivitamin by 4 hours because calcium, iron, and magnesium reduce absorption. The minerals can also bind tetracyclines and quinolones, so separate by several hours. If you’re pregnant or trying, choose a prenatal instead due to preformed vitamin A. With a history of calcium oxalate kidney stones, 850 mg vitamin C warrants caution and extra hydration. Active thyroid disease or high iodine sensitivity calls for clinician input.