Side-by-Side Comparison
Essential Vitamins & Minerals
Magnesium (Elemental Mg) vs. Vitamin B5 (Pantothenic Acid)
Comparing 2 standards across 10 specifications. 10 key differences identified.
Comparing:
Magnesium (Elemental Mg)
Vitamin B5 (Pantothenic Acid)
Magnesium is an essential macromineral required as an enzymatic cofactor in over 300 biochemical reactions including ATP synthesis, DNA replication, and neuromuscular transmission. Adult RDA is 400–420mg (men) / 310–320mg (women).
Vitamin B5 is an essential water-soluble vitamin required for the synthesis of Coenzyme A (CoA) and acyl carrier protein (ACP), vital in fatty acid synthesis and beta-oxidation. Adequate Intake (AI) is 5.0 mg/day (no Upper Limit established).
Specification Comparison Table
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
Nutrient Type
|
Essential Macromineral | Water-Soluble Amide Vitamin |
|
Tolerable Upper Limit (UL)
|
350 mg / day (From supplemental forms only; no limit on whole foods) | None Established (Extremely low toxicity) |
|
Chemical Forms
|
Magnesium Glycinate (Chelate), Citrate, Malate, Oxide, L-Threonate | D-Pantothenic Acid, Calcium Pantothenate (Stable synthetic), Pantethine (Active dimer) |
|
Primary Biological Function
|
Mg-ATP complex cofactor (>300 enzymes), NMDA receptor gatekeeper, Protein synthesis, Muscle relaxation | Coenzyme A (CoA) backbone (Acetyl-CoA, Succinyl-CoA), Acyl Carrier Protein in fatty acid synthase, Steroid hormone synthesis |
|
Deficiency Condition
|
Muscle cramps, Tremors, Ventricular arrhythmias, Insulin resistance, Insomnia | Extremely rare ('Pantothen' = everywhere in foods); 'Burning Feet' syndrome (paresthesia), fatigue |
|
Top Whole Food Sources
|
Pumpkin Seeds, Hemp Hearts, Chia Seeds, Almonds, Spinach, Black Beans, Dark Chocolate | Shiitake Mushrooms, Beef Liver, Chicken Liver, Sunflower Seeds, Egg Yolk, Hass Avocado, Whole Milk |
|
Adult RDA / RDI
|
400 – 420 mg / day (Men) / 310 – 320 mg / day (Women) | — |
|
Cellular Distribution
|
99% intracellular (60% bone, 39% skeletal muscle, <1% serum) | — |
|
Adult Adequate Intake (AI)
|
— | 5.0 mg / day (6.0mg pregnancy, 7.0mg lactation) |
|
Thermal Processing Losses
|
— | 20–50% lost during meat canning, boiling, and flour milling refining |
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