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Dr. Gregor mentioned 10,000 IU as the level that can cause toxicity. 2,000 IU was deemed ideal. Most Vit D tablets are 1,000 or 2,000 IU. Yep, 5-10 tablets a day would be too much. If you can get enough from the sun and food, Brava.
I guess I'll be looking for these mushrooms that the Dole company grows!
Many of the comments on the third link you posted relate to toxicity levels of vitamin D and I think that is why Dr. McDougall is against vitamin supplements. You have to be careful self-medicating. Like I said, if one is worried about it they should get it checked and proceed accordingly.
I'll try those last links again (and a few bonus extras) -- the 3rd link mentions the study on young skate boarders in Hawaii:
Some science behind Vitamins B-12 and D:
I'm sure the science in the book is referring to those following the starch solution approach to veganism. There are many ways to approach being a vegan and many styles of eating as a vegan. Perhaps your Hawaiian athletes were eating foods that leach vitamin D. Many things come into play with athletes depleting their total systems of many nutrients by the strenuous activities they engage in. However, for most of us that is not a problem. In regard to the B12, I was only repeating what Dr. McDougall's book states about B-12. At any rate if one is concerned about it, they should get it checked and move on.
You cannot always get enough Vitamin D from the sun. I live in Hawaii and spend a lot of time outside, but still test low for Vit D without supplements. If tests show your levels are ok, don't use supplements. (yep, Dr. McDougall loves to say to get out into the sun, but tests on young athletes in Hawaii, who were out in the sun half the day showed many of them had low levels.) Also, you should not wait years to take Vitamin B12 if you are vegan. I'm not advocating any other supplements, but those are important.
Agree, agree, agree!!
Dr. McDougall has a video about supplements and why you shouldn't take them on his site. You can store vitamin D from sunlight. Try to get outside for 30 minutes a day. He also says B-12 is the only supplement you need and that may only be needed after you've been a vegan for years. You will get all the nutrients you need from the plant based diet. NO OIL. I posted a link earlier today in the recipes section for oil free dressings that all sound delicious. Good luck on your journey!
I belong to a FB group run by a Vegan Certified naturopath who happens to have lost her thyroid to disease when she was very young. (Some naturopaths don't go to Certified schools. There are only 3 in the US) She says WHOLE soy foods are okay (very healthy even... tofu, tempeh, milk, etc not isolated soy proteins in processed foods EVER) but here is the important news.... don't eat soy foods or cruciferous veggies within 3 hours of taking your drugs. They inhibit the thyroid meds. It is a great group by the way if you are interested in joining. There are STRICT guidelines though...You must be committed to eating a no oil, plant strong diet (wholely vegan, no exceptions... she does not give advice to folks who are trying to eat plant strong.. we have tons of members and she only wants to give free advice to folks who FIRST have committed to what she believes is the MOST important first step... stopping all animal products and all oils...) Vegan Health & Plant Strong Wellness
Edited by: IMVEGAN at: 7/16/2013 (08:55)
That's the problem though is that I read most doctors have no nutritional training. The one my mom and I go to doesn't even think we should be vegetarians. She'd definitely be against us being vegans. She says we are omnivores and should eat meat. I really need to find a vegetarian friendly doctor.
I would suggest talking to your doctor before switching to a vegan diet if there are health concerns, but my experience is as much as I love my doctors and the various specialists I've been to they don't know much about a vegan diet. My OB/GYN (pregnant now) doesn't seem to even know what "vegan" means.
It's up to us to look after our health, and it sounds like SHIVAMOON has some good resources. The only supplement you NEED to take (that I know of) is B12 because that is the only one that does not come from plants. Calcium, iron, Omega-3s can all be found from plant sources if you do your research.
Take it slow and have fun! I went straight to vegan from eating meat daily about 3 years ago and had no problems.
I have a slow thyroid (no, not caused by my being vegan) and take levothyroxine, to keep it at the right level. This is very easily controlled and nothing to stress over. Dr. John McDougall spoke about this once. He never advocates excessive medical intervention, but he said the levothyroxine is well tolerated and an excellent way to keep the thyroid hormone at the correct level for people who have this issue.
Dr. Michael Gregor, who's a vegan nutrition wiz, has a number of short videos on good iodine sources (link below.) He has great videos on all sorts of topics, so check them out. Enjoy! He's entertaining as well as informative.
Other supplements vegans should take: B-12, and Vit D if you test low for it (by the way, the majority of people do, even those who live in year round sunny places.)
Good luck on your journey. Don't stress out, it's healthy and fun... and a new way to experience the wonderful plant foods in this world. I was a vegetarian for more than 30 years before I became vegan and would never go back. My relationship with food has completely changed. That might sound funny to you now, but just wait and see.
I have heard that soy is not good for slow thyroid. I thought you get Iodine from salt like sea salt. but I'm not sure. The supplement you should take is B-12
The best thing a vegan or vegetarian should eat is a variety of fruits and veggies along with beans, nuts, seeds and whole grain.
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Eating got me into this mess and eating is going to get me out of this mess
THE SALAD IS THE MAIN DISH
The greatest act can be one little victory ...Celebrate the moment as it turns into one more Just one little victory, a spirit breakin' free.One little victory-Rush
So I'm slowly trying to convert into becoming totally vegan. I'm a vegetarian right now. My mom is also a vegetarian but she's zooming faster than me and wants to become a vegan immediately. The problem is I'm a little confused about the health aspects and am hoping someone could help me. First I'm worried about what supplements I should take. I'm also worried about my mom because she has a slow thyroid and is taking medication for it. She's only been a vegetarian since February so that didn't cause it. As a vegetarian she eats a lot of soy and I read soy can cause problems with your thyroid. I heard it's not a problem if you get enough iodine but that it's hard to get on a vegan diet. Does anyone take an iodine supplement or have any experience with soy and thyroid problems. Any help would be greatly appreciated for both myself and my mother. Thanks in advance :).