A fundamental rule of nutrition

Supplements or drinks with tricarboxylic acid cycle intermediates should be avoided though supplements with alpha ketoglutarate could be helpful. TET enzymes are 2-oxoglutarate dependent.enzymes that demethylate DNA. JmjC domain-containing proteins are 2-oxoglutarate dependent.enzymes that demethylate histones .Fumarate and succinate inhibit TET and JmjC domain-containing proteins. This could lead to DNA hypermethylation and histone hypermethylation. Malic acid could inhibit fumarate dehydratase by end product inhibition and lead to a build up of fumarate.

Accumulation of succinate and fumarate are associated with cancer due the inhibition of 2-oxoglutarate-dependent dioxygenases, such as TET and JmjC-domain containing proteins. Citrate is a competitive inhibitor of oxaloacetate for citrate synthase. Citrate synthase also produces coenzyme A which is needed by the 2-oxoglutarate complex. Citric acid from soft drinks could dysregulate the the 2-oxoglutarate complex. There is a lot of circumstantial evidence that citric acid has goofy effects on individuals witness Mountain Dew ads.

A lot of supplements contain tricarboxylic acid cycle intermediates. Calcium citrate contains citrate. Magnesium succinate contains succincate. Carnitine fumarate contains. fumarate. Citruline malate contains malate, TCA intermediates are everywhere is supplements.

But as always the key selling point of supplements is ‘better absorption’ and minerals, for example, minerals bound to citrate, can be well absorbed. A huge and very frequently deleterious factor not usually considered is what supplements are bound to. ‘Better absorption’ is the siren call of supplements. Chelated minerals are also avoided.

Coenzyme Q10 is associated with decreased mortality. Why?

Still reduced cardiovascular mortality 12 years after supplementation with selenium and coenzyme Q10 for four years: A validation of previous 10-year follow-up results of a prospective randomized double-blind placebo-controlled trial in elderly.

Alehagen U, Aaseth J, Alexander J, Johansson P.

The following quote is from the paper.

“Conclusion: This is a 12-year follow-up of a group of healthy elderly participants that were supplemented with selenium and coenzyme Q10 for four years. Even after twelve years we observed a significantly reduced risk for CV mortality in this group, as well as in subgroups of patients with diabetes, hypertension, ischemic heart disease or impaired functional capacity. The results thus validate the results obtained in the 10-year evaluation. The protective action was not confined to the intervention period, but persisted during the follow-up period. The mechanisms behind this effect remain to be fully elucidated, although various effects on cardiac function, oxidative stress, fibrosis and inflammation have previously been identified. Since this was a small study, the observations should be regarded as hypothesis-generating.”

Coenzyme Q10 is a co-factor for succinate dehydrogenase. Succinate dehydrogenase metabolizes succinate in the TCA cycle. Succinate inhibits 2-oxoglutarate-dependent histone and DNA demethylase enzymes. By way of being a co-factor for succinate dehydrogenase coenzyme Q10 could reduce inappropriate DNA and histone methlylation decreasing mortality. Ubiquinol should not be helpful in terms of decreasing mortality.