Magnesium Intake Needs
Over 300 enzymes depend on magnesium, yet requirements vary widely. Higher-need individuals often feel dramatic improvement in sleep, stress response, and muscle function from optimized intake—it's one of the highest-impact changes available.
What this measures
How your DNA shapes magnesium intake needs.
TRPM6 codes for a magnesium channel in the gut that controls how much dietary magnesium gets absorbed. TRPM7 handles cellular magnesium uptake throughout the body. CASR (the calcium-sensing receptor) shapes how kidneys handle the magnesium-calcium balance. Together they set both how much magnesium enters the body and how well it stays inside cells.
Carriers of common TRPM6/TRPM7 reduced-activity variants are associated with lower magnesium absorption and higher dietary requirements — and may experience symptoms (muscle cramps, sleep disruption, anxiety, fatigue) at intakes that would be adequate for typical-function carriers. Serum magnesium misses most of this because only ~1% of body magnesium is in blood; the rest sits inside cells.
Magnesium glycinate and threonate cross cell membranes more efficiently than magnesium oxide (the cheap supplement form, which mostly stays in the gut). Stress, intense exercise, alcohol, and caffeine all raise magnesium losses. Dark chocolate, leafy greens, pumpkin seeds, and almonds are the densest food sources. PPIs and certain diuretics deplete magnesium.
Magnesium deficiency is one of the most under-recognized clinical pictures — partly because the standard blood test isn’t sensitive to it. Which TRPM variant pattern you carry decides whether default dietary intake covers the need or whether targeted supplementation is the highest-impact micronutrient move.
Magnesium Intake Needs is one specific finding in this system. Your Genomic Lifestyle Optimization Report shows where your variants place you on the micronutrients and strategic supplementation spectrum — and what you can do about it: it renders as a dark card with a color marker calibrated to your variants, opening with the gene mechanism and closing with a practical, mechanism-led recommendation.
Want to see what a real Mosaic dark card looks like? Walk through a sample report →
In context
Minerals: the 7-insight cluster.
Magnesium Intake Needs is one finding in a tightly-related cluster. Mosaic sequences the other 6 alongside it so you see the whole biology — not an isolated data point.
Questions people ask
About Magnesium Intake Needs.
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