Magnesium

[Dogtrousers]

If you catch fire you'll be nearly impossible to extinguish.

 

[fossyant]

I also take Mg supplements on the advice of my doctor as I suffer from quite bad involuntary bodily moments. I do take these alongside a strong prescribed medication for it. So I can't really say if it works or not.
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Snap, plus their Vit D and Turmeric. Also beetroot extract as it improved blood oxygen transport and blood pressure. Vit D because I was massively deficient and turmeric to fight inflammation

 

[wafter]

I took Mg Glycinate on and off for a while; can't say as I noticed much difference but it was hardly a scientifically-rigerous assessment.

I want to get some more and take a greater amount more regularly as I tick many of the boxes it's supposed to address, while I know I potentially have issues with electrolyte levels and it's reckoned that most people are deficient in Mg, so chances are I'm really low.

Via link from Wiki, there's little difference in bioavailability between forms (50-67%)

Literature data oil the bioavailability of various Mg forms provide scarce information on the best Mg salt to be used in animal and human Supplementation. This Study aimed to investigate the bioavailability of different forms of Mg in rats using Mg stable isotopes. Eighty male Wistar rats aged 6 weeks were fed a semi-purified Mg-depleted diet for three weeks. The rats were then randomised into tell groups and received, for two more weeks, the same diet repleted with Mg (550 mg Mg/kg),is: oxide, chloride, sulphate, carbonate, acetate, pidolate, citrate, gluconate, lactate or aspatate. After 10 days of Mg-repleted diet, the rats received orally 1.8 mg of ail enriched Mg-26. Faeces and urine were then collected for 4 consecutive days. Isotope ratios in faeces and urine were determined. The Mg absorption values obtained varied from 50% to 67%. Organic Mg salts were slightly more available than inorganic Mg salts. Mg gluconate exhibited the highest. Mg bioavailability of the tell Mg salt Studied. Urinary Mg-26 excretion varied from 0.20 mg to 0.33 mg, and feeding with the organic pidolate, citrate, gluconate and aspartate salts resulted in higher urinary Mg-26 excretion than with inorganic salts. Ultimately, Mg-26 retention was higher in the rats receiving the organic salts such as gluconate, lactate and aspartate than in those receiving die inorganic salts. Taken together, these results indicate that Mg-26 is sufficiently bioavailable from the ten different. Mg salts Studied in the present, experiment, although Mg gluconate exhibited tile highest bioavailability under these experimental conditions.

That's interesting as when I did my research for the above I found a lot of sources suggesting that there's a large difference in bioavailability between varieties; with chelated / those bonded to amino acides such as glycinate being significantly higher than other forms - the worst being Mg oxide.

This at least supports the suggestion that Mg oxide has very poor bioavailabity; can't be arsed to investigate what the other brands listed contain:

The Mg2+ release from the different formulations in the stomach (Figure 1), reveals three main response scenarios: (1) Complete or very high release of Mg2+ under both fasted and fed conditions: Ultractive Magnesium (A), Magné Vie B6 (B), Polase (H) and High Absorption Magnesium (J), (2) complete release of Mg2+ under fed conditions with a lower release under fasted conditions: Mag 2 (D), (3) no or limited release of Mg2+: Magnerot (F), Magnesium Citrate 200 mg (M), MagOx 400 (K), Biolectra (I), Magnesium 500 mg (L), Mag 2 24 (G), Promagnor (C), B-Magnum (O), Slow-Mag (N), Magnesium Verla (E) (in order from intermediate to no release).