鱼油胶囊的副作用_93
鱼油胶囊的副作用
Morepeoplearechoosingtotakefishoilsupplements–andforgoodreason.Theomega-3'sfoundinfattyfishandfishoilsupplementshaveshownavarietyofhealthbenefits.Theyappeartolowertriglyceridelevels,bloodpressure,andreducetheriskofheartdiseaseandthromboticstroke.Theyalsohaveanti-inflammatorypropertieswhichmayhelptorelievesomeofthepainandstiffnessassociatedwithrheumatoidarthritis.Althoughfishoilsupplementshavesignificanthealthbenefits,they'renotalwayswelltolerated.Whatarethesideeffectsoftakingfishoil?
Oneofthemostcommonsideeffectsoftakingfishoilsupplementsisdigestiveupset.Manypeoplereportmildnauseaandbloatingaftertakingfishoilcapsules.It'salsonotuncommontoexperienceincreasedflatulenceanda"fishy"tasteinthemouth.Insomecases,thesesymptomscomefromtakingrancidfishoils,soit'simportantnottotakeoilsthatarepasttheirexpirationdate.Takingthemwithmealsisanotherwaytoreducetheunpleasantfishytaste.Thesemild,butfrequent,sideeffectsoftakingfishoilwilloftensubsideoncethebodyadjuststothem. Anotherpotentialconcernwhentakingfishoilcapsulesistheriskofbleeding.Becausefishoilcapsulesaffectthefunctionofplateletswhichhelpclottheblood,there'stheconcernthattheycouldcausebleedingproblemsinsomeindividuals.Thisiswhypeopletakingprescriptionbloodthinnersshouldavoidusingthem–particularlyiftakingmorethantwogramsaday.Someexpertshaverecentlyquestionedthisrisk–believingthattheriskismoretheoretical,butit'sbesttoerronthesideofcaution.
Peoplewhoareonaweightlossdietwherecalorieintakeiscloselymonitoredshouldbeawarethatfishoilsupplementsarenotcalorie-freeandcouldcauseweightifnotcompensatedforbyreducingcalorieselsewhere.SomestudieshaveshowntheycanalsoincreaseLDLcholesterollevelsbyuptotenpercent,sothisshouldbecloselymonitored.
Finally,manypeopleworryaboutfishoilsupplementsbeingcontaminatedwithmercuryandPCB'sthatarecommonlyfoundinthebodiesoffattyfish.Studiessuggestthatfishoilcapsulesmayactuallybesaferthaneatingthefishitself.Whenfishoilcapsulesweretestedfromavarietyofmanufacturers,mostwerefoundtobeverylowinmercuryandPCB's.Mostreputablefishoilmanufacturersusemoleculardistillationtoremoveharmfulcontaminantswhichisaveryeffectiveprocess.Pharmaceuticalgradefishoilcapsulesarealsoavailablethatarevirtuallycontaminationfree.
Thebottomline?Mostofthesideeffectsoftakingfishoilsupplementsarerelativelyminor,butit'simportanttotakethemunderadoctor'scare,especiallyiftakingbloodthinners,andtobuyfromareputablemanufacturerthatusesmoleculardistillationtoremoveharmfulimpurities. 许多人选择服用鱼油补充剂--并有合理的解释:高油脂鱼类被发现含有Omega3(一
组多元不饱和脂肪酸),鱼油补充剂则有广泛保健作用,可降低甘油三脂水平,降血压,及减
少心脏疾病和栓塞性中风的风险。它们还被发现具有抗炎作用,这将有助于减轻风湿性关节
炎的疼痛和僵硬。尽管鱼油补充剂有显着地保健效果,却并不总是耐受良好。那么,服用鱼
油有哪些副作用呢, 一个最常见的副作用是消化系统紊乱。服用鱼油胶囊后,许多人有轻
微反胃和胃胀气现象。增加肠胃胀气和口中"鱼腥"味儿也是鱼油服用者中的常见现象。有时,
这些症状缘于变质鱼油,所以,超过保质期的产品一定不要使用。随餐服用也是减少讨厌的
鱼腥味儿的一个办法。一旦身体调整适应,服用鱼油导致的这些轻微却常犯的副作用将会降
低。 服用鱼油胶囊的另一个潜在问题是增加出血的风险。因为鱼油胶囊影响血小板凝血功
能,因此有人担心它们可能会对某些个体引起出血问题。这就是为什么服薄血药的人不能服用鱼油--尤其是一天超过两克。近来一些专家质疑这种风险--认为它过于理论化,但出于谨慎避免犯错总是好的。 进行节食减肥控制卡路里摄入量的人应该知道,鱼油补充剂并非不含卡路里,如果不另外减少卡路里同样也可能引起增重。一些研究标明,鱼油还可能引起LDL胆固醇水平升高达10%,所以,应对此予以严密监控。 最后,因为高油脂鱼类体内常发现汞和PCB类物质,许多人担心鱼油补充剂因此遭受污染。研究表明鱼油胶囊确实要比直接吃鱼来的安全。从众多厂家中测试鱼油胶囊时,大多数的汞和PCB类物质含量还是很低的。多数知名鱼油厂家通过高真空蒸馏法去除有害污染物,这是一道很有效的工序。确实做到无污染的药品级鱼油胶囊也可行。 总的来说,服用鱼油补充剂的多数副作用还是很小的,但是,特别对于服用薄血药的人,一定要听取医生建议,同时向使用高真空蒸馏法去除有害杂质的知名厂家购买。