Question: How do I bring up low levels of arachidonic acid? Should I supplement with 250 milligrams? What brand is there from well-known company? If you want 250 milligrams of arachidonic acid, eat an egg. I don’t know anything about arachidonic acid supplements yet, except that they exist because you can eat eggs and you’ll …
Question: How to interpret the pattern of high citrate, low cis-aconitate, low glutamate, and high glutamine. The aconitate and citric acid are markers on the citric acid cycle where we metabolize most of our energy. If citric acid is high and isocitric acid is low, (this must be the Great Plains Test which doesn’t have …
Question: What are the best ways to optimize glutathione status for someone who has a G6PD deficiency? Riboflavin was shown to be of benefit for normalizing oxidative stress in people who have glucose 6-phosphate dehydrogenase deficiency. So for people who don’t know what this is G6PD is, glucose 6-phosphate dehydrogenase is an enzyme that you …
Question: Are there diminishing returns in the amount of fish in a weekly diet? I know you mentioned eating fish about twice a week. I’ve been trying to eat salmon once a day. Is there an ideal ratio of fish to non-fish protein you should aim for? There’s not a lot of data backing that …
Question: How to deal with the fact that blood tests for nutritional status aren’t adapted to children? There aren’t childhood-based ranges that are data-driven. So what if the ranges need to be a little bit different in children? The approach in the Cheat Sheet is not to rely exclusively on ranges, it’s also to look …
Question: I just saw an email from Matt Stone referring to the overly deified nutrient vitamin A. Also, a few Weston A. Price Foundation bloggers are starting to spread the word about being sick on a high vitamin A diet. Any thoughts about this and comments about Vitamin A being toxic? You shouldn’t deify …
Question: Is it ok to mix carbs and fat? There are a lot of people on the internet that claim the Randle cycle is behind America being fat, since the standard American diet is mixed in fats and carbs. Yet, I feel great on a diet of about 30% protein, 30% fat, and 40% carbs, …
Question: Can you explain what parent essential oils are? I was given some articles that seemed to be saying that high-dose cold-water fish oils are damaging to cell membranes and mitochondrial function. “Parent essential oil” is a term invented by Brian Peskin, who looked at some data that said it’s not clear that supplementing with …
Question: What are your thoughts on monitoring HRV for optimizing performance? Measure your HRV every night and you stop exercising entirely to get a baseline. You completely stop working out, you don’t go “oh no I’m going to lose my muscle mass,” nothing’s going to happen for a week or two. And this is the …
Question: Why did the FDA have a vitamin A requirement during pregnancy at 8,000 IU, which is much higher than the IOM recommendations in the past? I have no idea. I do know that the concerns around vitamin A during pregnancy are that in the first weeks of pregnancy, 10,000 IU and higher has been …