Alkaline Diets, Animal Protein, and Calcium Loss


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  • Most people eating a standard western diet (Milk, dairy, eggs and fish; high fat high protein) don't get sufficient calcium in their diets. The people in the study were GIVEN calcium; with all that calcium in their system why would the body resort to leaching calcium out of your bones when it has that extra calcium running through your body?

    Again, most people don't get sufficient calcium from their diets when they are on a typical western diet, i.e they leach calcium out of their bones to alkalize the body.

  • so confused with some of the videos you put out i literally don't get them… I wish you could empathize a little more on a verdict. It's like you leave it open for us to make our own decision but you're the doctor, we need your interpretation not our own.

  • Just a guess here… but maybe the calcium lost means that the skeleton is not being regenerated with dietary calcium, rather than leeching it. So that is why dairy and meat diets cause osteoporosis? Please let us know soon Dr Greger.

  • you need vitamin d to absorb calcium and vitamin d is found naturally in eggs red meat. so you do the maths.  so if you don't have vitamin d with calcium it will just hang around in your blood and wont be absorbed until you eat meat eggs milk ect ect ect

  • The major flaw here is that the calcium being lost is coming from BOTH the bones and the food, which is why the urine contains radioactive elements. Animal products like meat DO CAUSE OSTEOPOROSIS via calcium leeching.

  • Why would nature design milk to be acidic if it's meant for baby mammals to grow and develop. If it has a negative impact on bone health, surely this is the opposite of what you'd want for a creature in its developmental stages.

    Or is this something that is OK for cows and only has an adverse affect on humans? I.e, is women's breast milk also acidic?

  • Calcium absorption goes up when eating lots of animal protein because animal protein usually contains more Menaquinone, which helps calcium absorption from the blood stream via osteocalcin, but absorption can only rise up to a certain point, beyond which will just result in calcium loss from the bones via Parathyroid hormone, which tries to increase calcium content in the blood to raise the pH, since the blood stream wants to stay in homeostasis, which is also why parathyroid hormone has such a short half-life. This in turn causes the C-cells, produced by the thyroid, to produce calcitonin, which decreases calcium in the blood stream by taking it to the kidneys, which then comes out with the urine. In addition, when the body has inflammation, Osteoblasts and T cells (from the Thymus gland) produce Interleukin-6, which in turn stimulates Osteoclast formation, which are responsible for breaking bone down. In addition Retinol, mostly found in animals, also stimulates osteoclast activity. Retinol is still useful in the reformation of deformed bones however. Vitamin D3 stimulates osteoblast formation for the building of bones. Osteoblasts produce Osteocalcin which needs Menaquinone to become carboxylated/active. Its all a big balancing act between Menaquinone (Vitamin K2), Cholecalciferol (Vitamin D3), Retinol (Vitamin A1) , and Protein intake. BTW Menaquinone is barely detectable in factory farmed animal products, so you have to stick with grass fed everything if your going to get any Menaquinone in your diet, otherwise take a pill.

    MILK is the worst offender, there is no menaquinone, its a liquid and easily shocks the blood stream in terms of "trying" to lower pH since its not hard to digest in a liquid state, its fortified vitamin D content is too low to make a difference, and its high in protein, especially when you eat bacon, eggs, and ham with a glass of it in the morning, only then to have a steak at lunch, and hot dogs at dinner, just adding that much more protein to a diet that is already too high in protein.

  • you know noting, a simple amino acid test can easily break your conslusion. a lot of people have low amino acid in blood.
    the problem with protien is the phosphate which it contains.that breaks the bones. however. daily excerice of hours!the use of muscles can break the phosphate from the bones. sport is the soloution.

  • i.would be interested to know, if the results are same if a wild animal was fed. perhaps factory meat was given which has all sort of problems, including this.

  • I thought the last study implied what our body is doing is NOT buffering the acid, rather than drawing calcium from our muscles in order to buffer?

  • Play at 1.25x speed. I think he thinks he's Captain Kirk.
    "And where is calcium stored?… …. … …. The skeleon."
    No really?! Try talking to us like adults instead of children because you come off as a patronizing dick.

    You can keep the same meaning of the previous sentence if you said something such as, "And since calcium is stored in the skeleton…(make your point here)"

  • Dr. Greger: two questions: how is the calcium adsorption calculated? Also can we have experiments where there is no calcium introduced when these foods are introduced? Like if you eat only meat and no calcium at all, what will happen in the urine?

  • "This is the study that appeared to solve the mystery"

    And he goes to show how it doesn't solve anything, the mystery is in greger's head…

    He uses this type of analysis way to many times and it becomes obvious what he is trying to do.

    Ask a question then take some stupidly unrelated bad study and use it as proof of his argument ….

    Remember what his argument is ,….."as a vegan meat is bad"

    You can't call yourself a scientist when you have this kind of bias it always skews your thinking…..

    It is like studying the universe while believing the earth is flat.
    Or studying evolution while believing creationism

  • Wait so can someone clarify that isnt biased. 90% of the calcium you eat gets pissed out when whatever your eating makes your blood acidic, but the remaining 10% comes from your body? If so where does it come from, the skeleton or the muscles? And what if what you're eating makes your blood acidic but doesnt provide enough calcium to counteract that acidicy, does the amount of calcium your body provides go up? Pls answer

  • Wait I don't understand how the pee also containing the radioactive calcium led to concluding the calcium was being pulled from the blood and not the bones…

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