Question: How much iron can we absorb at once?
This is a question asked live during the February 15, 2023 AMA.
Short Answer: High-dose iron will produce more total absorbed iron, but will also leave more in the gut, which could cause constipation or disturb the gut microbiome. If desperate for quick relief, 200 milligrams per day of iron taken in the morning will work faster than lower doses or the same dose taken in the afternoon. For most people, however, I believe it is best to start with 18 milligrams of iron, and only increase it to 27 or 36 milligrams, or higher, if needed. If it is difficult to raise iron with a supplement, try eating a temporary carnivore diet that includes egg yolks but not whites, or at least try taking your iron with a breakfast that matches this description.
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This snippet is from the February 15, 2023 AMA. The full recording and transcript is reserved for Masterpass members. Here is a preview of what’s included:
Ask Me Anything | February 15, 2023 AMA
Vitamin D sulfate, synthesis and recycling of BH4, high-dose iron absorption, management of PPI use, low creatine and muscle spasms, detoxing arsenic, iron saturation, and more.
The questions include:
Is It Important to Get Vitamin D Sulfate Specifically From the Sun?
What cofactors are needed to synthesize and recycle BH4?
What nutrients are important for long-term PPI use?
For how long does transferrin saturation respond to recent iron-rich food?
Muscle spasms: creatine, creatinine, sodium, and potassium.
Hematologists ignore iron saturation.
How to detox arsenic?
Could folic acid supplements impair BH4 recycling?
How to increase butyrate?
More on hematologists and transferrin saturation.
Disclaimer
I am not a medical doctor and this is not medical advice. My goal is to empower you with information. Please make all health decisions yourself, consulting sources you trust, including a caring health care professional.
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How Much Iron Can We Absorb At Once?