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NOW 维生素 B-6 - 100mg 100 Caps
[3000456]
$6.99 $3.84


维生素B6是一种共同酵素Coenzyme,在细胞中参与多种蛋白质和氨基酸的代谢功能,可将色氨酸转化为烟酸,参与脂肪代谢,可降低血中胆固醇的含量。 维生素B6可溶於水,为水溶性且对热和酸稳定,它在硷性环境中会被破坏,同时对光敏感。新鲜蔬菜含有维生素B6。

一项新的研究发现,维生素B6可降低结肠癌的危险。研究人员对32000多名年龄为30至55岁的妇女进行了研究,结果显示,血液中维生素B6含量最高的女性,其患结肠直肠癌的危险比含量最低的女性 低44%。妇女的雌激素和皮质激素代谢也需要维生素B6。有的妇女在妊娠期会出现手足浮肿、指关节疼痛。绝经期的妇女和常服避孕药的妇女会发生忧郁 症,有悲观情绪,脾气急躁,缺乏性要求,自感乏力等。还有些妇女患有经前期紧张综合征,表现为月经前眼睑、手足浮肿,失眠、健忘。服用维生素B6后症状可缓解或消失。

维生素B6缺乏时,成人表现为眼睛、鼻子和嘴周围的皮肤上出现油脂,鳞屑即脂溢性皮炎,随后向身体的其它部分蔓延;舌红光滑;体重下降;肌肉无力;急燥,精神抑郁。 婴儿表现为神经急燥,肌肉抽搐和惊厥。

维生素B6相对无毒,但是大剂量可引起嗜眠,成癖的副作用。孕妇如果长期过多服用维生素B6,致使胎儿产生依赖性。而一旦离开母体后缺乏维生素B6, 维生素B6的来源不像在母体里那样充分,内中枢神经系统的抑制性物质含量降低,结果出现一系列异常表现。常见的异常表现有容易兴奋、哭闹不安,容易受惊, 眼球震颤,反复惊厥,有的小儿在出生后几小时或几天内就出现惊厥。在1~6个月龄时还会出现体重不增。如果诊治不及时,将会留有智力低下的后遗症。 这是由于维生素B6与氨基酸的吸收、蛋白质的合成,以及神经、脂肪的代谢有密切关系,是细胞生长发育所必需的物质。但因其在食物中广泛存 在,生理需要量很少,故缺乏症在成人中很少发生。而小儿一日有1~2毫克即够。


Nutrition Info

Servings Per Container: 100
Serving Size: 1 Capsule
 Amount Per Serving % Daily Value
Vitamin B-6 (as Pyridoxine Hydrochloride) 100 mg 5000%
*Percent Daily Values are based on 2,000 calorie diet.
**Daily Value not established.
 

建议使用:
每天一粒,宜随餐服用。

产地: 美国

*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Keep out of the reach of children. Store in a cool dry place, tightly closed.

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NOW 畅销精品套装:茶树、尤加利、薰衣草精油 各1盎司
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