Magtein with PhosphatidylcholineUnlike most magnesium supplements, Magtein (magnesium L threonate) is clinically proven to cross the blood brain barrier. Paired with Quicksilvers advanced liposomal delivery, it delivers superior absorption, targeted cognitive support and fast acting benefits. Weve supercharged brain function by adding 450 mg of high purity phosphatidylcholine (PC) per servinga vital phospholipid for neuronal membrane support and healthy neurotransmission. The
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