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There is nuance to this. The Petersons’ are in fact killing themselves longterm with free labile iron accumulation. https://twitter.com/idealvilli/status/1295071062443597825
Our ancestors ate nose-to-tail and had variation in their diets for a reason. At no point in humanity’s history did we ever eat solely beef muscle meat and water stripped of minerals/electrolytes via purification process.
Free labile iron requires sufficient bioavailable Copper, Magnesium, preformed vitamin A (retinol), whole food vitamin C (ascorbic acid contributes to dysregulation of iron/copper via ceruloplasmin inhibition), and ALL B vitamins (B1, B12, and folate specifically).
Free iron REQUIRES these nutrients to be utilized by the biology properly and mobilized out of the tissues/organs it accumulates in, otherwise it is a major factor in aging and all disease.
Carnivore diet MUST have variation. Different red meats, organ meats, seafood, bivalves, poultry, pork, even dairy and cheeses for rounded micronutrient profile.
You can’t just rely on blood donation your entire life, the inflammation and oxidative stress WILL catch up with you.
You can’t just rely on blood donation your entire life, the inflammation and oxidative stress WILL catch up with you.
And quality does absolutely matter, but focus on repleting these micronutrients first. Malnutrition will be more harmful than any negative contribution of grain fed, farmed animals.
