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Prescription retinoids like tretinoin are more potent than over-the-counter retinol

available now only through compounding pharmacies

Standard reference range for serum magnesium: 1.7 to 2.2 milligrams per deciliter (mg/dL) Serum magnesium 27 percent: Functional deficiency What to consider if your results are out of range: If you're low in magnesium, prioritize intake of magnesium-rich foods such as dark greens (spinach, swiss chard), nuts (cashews, almonds), seeds (pumpkin, chia), legumes (black beans, edamame, lima beans), certain whole grains (quinoa), and dark chocolate (75 to 80 percent cocoa)

The Spark: Selenium Synthesizing glutathione is useless if the enzymes that utilize it are inactive

Retinol and its derivatives work by accelerating cell turnover through vitamin A signaling pathways and often cause irritation, especially during initial use

Some patients use intensive initial protocols followed by maintenance phases or periodic cycles for sustained cognitive optimization