0:00:00.000,0:00:02.657 "Safest Source of B12" 0:00:03.637,0:00:05.717 What’s the best way to get vitamin B12? 0:00:05.717,0:00:08.427 Well, B12 is not made by plants; 0:00:08.427,0:00:09.708 not made by animals either. 0:00:09.708,0:00:10.798 It’s made by certain bacteria, 0:00:10.798,0:00:13.078 some of which line the guts of animals, 0:00:13.078,0:00:14.545 of which people eat and drink. 0:00:14.545,0:00:16.198 But that’s not the best source, 0:00:16.198,0:00:18.797 because of the baggage [br]that comes along with it. 0:00:18.797,0:00:22.534 Just like we can’t get the iron in [br]beef without the saturated fat, 0:00:22.534,0:00:25.238 the protein in pork without lard, 0:00:25.238,0:00:28.398 the calcium in dairy without hormones; 0:00:28.398,0:00:32.388 we can’t get the B12 in animals without [br]also consuming stuff we don’t want— 0:00:32.388,0:00:33.918 like cholesterol. 0:00:33.918,0:00:37.176 For example, to get 47 [br]micrograms of B12 from eggs, 0:00:37.176,0:00:40.307 because the absorption is so low, 0:00:40.307,0:00:44.318 we’d have to literally eat hundreds[br]of scrambled eggs a day. 0:00:44.318,0:00:47.292 200 to 400 eggs a day! 0:00:47.292,0:00:49.219 Do you know how much[br]cholesterol that would be? 0:00:49.219,0:00:51.359 If you got all your B12 [br]from scrambled eggs, 0:00:51.359,0:00:55.089 you’d consume 69,000 [br]milligrams of cholesterol— 0:00:55.089,0:00:58.997 practically your entire [br]year’s worth every day. 0:00:58.997,0:01:01.449 So, yes, chickens harbor bacteria; 0:01:01.449,0:01:02.587 the bacteria make B12; 0:01:02.587,0:01:04.320 some of that B12 [br]makes it into the chicken, 0:01:04.320,0:01:05.648 and then into the egg— 0:01:05.648,0:01:07.999 but so does the cholesterol. 0:01:07.999,0:01:11.138 There has to be a better way! 0:01:11.138,0:01:14.347 Why don’t the bacteria [br]in our colon make B12? 0:01:14.347,0:01:15.457 They do, actually. 0:01:15.457,0:01:19.375 It’s just too far downstream [br]to be absorbed. 0:01:19.375,0:01:23.588 In one of the less appetizing but [br]more brilliant experiments in the field, 0:01:23.588,0:01:30.688 a Dr. Callender delineated that human [br]colon bacteria make large amounts of B12. 0:01:30.688,0:01:33.030 Although the B12 is not [br]absorbed through the colon, 0:01:33.030,0:01:33.885 it is active. 0:01:33.885,0:01:35.139 How do we know? 0:01:35.139,0:01:37.663 She found some vegan [br]volunteers with B12 deficiency, 0:01:37.663,0:01:39.388 collected their stools for 24 hours, 0:01:39.388,0:01:41.369 and then, you guessed it, 0:01:41.369,0:01:42.776 bon appetit! 0:01:42.776,0:01:43.527 And it worked! 0:01:43.527,0:01:45.298 They were cured. 0:01:45.298,0:01:47.770 Those are some hardcore vegans. 0:01:47.770,0:01:50.138 There has to be a better way! 0:01:50.138,0:01:51.659 And thankfully, there is: 0:01:51.659,0:01:53.589 fortified foods and supplements. 0:01:53.589,0:01:57.017 Not only the safest, but [br]also the most effective. 0:01:57.017,0:01:59.067 In the U.S. Framingham Offspring Study, 0:01:59.067,0:02:05.349 one in six meat-eaters between [br]ages 26 to 83 were B12-deficient. 0:02:05.349,0:02:08.151 The folks with the highest B12 levels 0:02:08.151,0:02:10.220 weren’t the ones eating [br]the most animal products, 0:02:10.220,0:02:12.210 but the ones taking supplements, 0:02:12.210,0:02:16.779 and eating the most [br]fortified breakfast cereal.