Vitamins For Weight Loss? Vitamini Za Mršavljenje?

Americans currently spend billions of dollars every year on weight-loss supplements. Amerikanci trenutno potrošiti milijarde dolara svake godine na weight-loss supplement. Although we would not buy a car or a dinner without knowing a few details, many who purchase these supplements have little or no idea what is in them, or what independent reports say about their safety and effectiveness. Iako mi ne bi kupiti auto ili večera bez znajući nekoliko detalja, koji mnogi kupnju ovih dodataka imaju malo ili nema pojma što je u njima, ili što reći nezavisni izvješća o njihovoj sigurnosti i učinkovitosti.

Even though the FDA (Food and Drug Administration) has charged some companies for using banned ingredients and the FTC (Federal Trade Commission) has successfully prosecuted merchants who made illegal claims, the same products, or almost identical versions, still remain available for the consumer. Iako je FDA (Uprave za hranu i lijekove) je naplaćeno neke tvrtke za korištenje zabranjene tvari i FTC (Savezni Trgovina Komisija) je uspješno procesuiran trgovci koji su nezakoniti tvrdi, iste proizvode, ili gotovo identične verzije, i dalje ostati dostupan za potrošača .

Some weight loss supplements contain ingredients which are meant to suppress appetite. Neki mršavljenja prilozi sadrže sastojke koji su značili za potiskivanje apetit. Caffeine and its herbal counterparts, guarana, bitter orange and yerba maté, also ephedra (ma huang), fall into this category. Kofein i njegove biljnih kolegama, guarana, gorke naranče i yerba maté, također ephedra (MA Huang), spadaju u ovu kategoriju.

Animal studies suggest that they may slightly suppress the appetite, but the limited studies on humans lasted only a few months. Životinjske studije ukazuju na to da oni svibanj malo suzbiti na apetit, ali su ograničene studije na ljudima je trajala samo nekoliko mjeseci. All these ingredients stimulate the nervous system so they generally produce only side effects like headaches, insomnia, raised blood pressure and heart palpitations. Svi ovi sastojci stimuliraju i živčani sustav, kako bi se oni uglavnom proizvode samo nuspojave poput glavobolje, nesanica, uskršava krvni tlak i srce palpitations.

Deceptive labelling Pritajeni etiketa

Product descriptions can be deceptive: Weight-loss supplements labeled ephedra- or “caffeine-free” may contain other ingredients listed earlier in this article, which may pose the same health risks. Opisu proizvoda može biti varljiv: Weight-loss supplement etiketom ephedra-ili "kofein-free" svibanj sadržavati i druge sastojke navedene ranije u ovom članku, koji svibanj poza iste zdravstvene rizike. Although ephedra (ma huang) has been banned by the FDA, you may still see it included in some supplements. Iako ephedra (MA Huang) je bio zabranjen od strane FDA, svibanj i dalje vidjeti u nekim dodataka.

In a summary of more than 50 trials, this substance created a 2 - 3.6 fold increase in the risk of psychological, heart and digestive system problems. U sažetak više od 50 suđenja, stvorio je ovaj tvar 2 - 3,6 fold povećanje rizik od psihičkog, srce i probavni sustav problema.

Supplement manufacturers claim that other ingredients promote weight loss by speeding up the body’s metabolism. Supplement proizvođači tvrde da ostale sastojke promicanje mršavljenja ubrzavanjem tjelesnih metabolizam.

For example, EGCG (epigallocatechin gallate), a phyto-chemical found in green tea, is being studied for its potential to reduce the risk of cancer. Na primjer, EGCG (epigallocatechin gallate), phyto-kemijske naći u zelenom čaj, studirao je za svoj potencijal za smanjenje rizika od raka. Some initial studies suggest it might slightly increase the rate at which calories burn. Neke početne studije sugeriraju da bi malo povećanje stopa po kojoj kalorija spali. Now it can be found in many weight-loss supplements and “weight-loss vitamins.” However, since only very short initial studies have so far been performed, the body might adapt to EGCG, reducing its effect over time. Sada ga se može naći u mnogim weight-loss supplement i "gubitka težine-vitamina." Međutim, budući da samo vrlo kratko početno studija do sada je obavljena, tijelo može prilagoditi da EGCG, smanjenje njezina učinka tijekom vremena.

Furthermore, the weight loss benefit seen with EGCG amounts to about 60 to 70 calories a day. Nadalje, mršavljenja korist vidio s EGCG iznosi oko 60 do 70 kalorija dnevno. This small difference is more likely to help prevent gradual yearly weight gain rather than reverse excessive weight gain. Ova mala razlika je veća vjerojatnost da sprječavaju postupno godišnje dobiti težinu nego preokrenuti prekomjerne težine dobitak.

Third, the effect of EGCG appears to depend on the dosage. Treće, učinak EGCG izgleda kao da ovise o doziranje. Supplements containing 30 to 40 mg of EGCG, commonly seen in these products, may not have the same effect as a dose of over 250 mg used in the studies. Dodaci koji sadrže 30 do 40 mg od EGCG, obično vide u tim proizvodima, svibanj neće imati isti učinak kao dozu više od 250 mg koji se koriste u učenju.

Few significant effects Nekoliko značajnih učinaka

Supplements may also contain ingredients that producers say will block the absorption of fat or carbohydrates. Doplate svibanj također sadrže sastojke koji proizvođači reći će blokirati od apsorpcija masnoća ili ugljikohidrata. Chitosan is a common example, and some preliminary studies made it appear promising. Kitozan je čest primjer, i neke preliminarne studije je pojavljivanje obećavajućeg.

However, several controlled studies found that chitosan had no significant effect on fat absorption. Međutim, nekoliko kontroliranim studijama utvrdili da kitozan nije imao značajan utjecaj na apsorpciju masnoća. In the most recent study, men would need seven months to lose one pound of body fat. U najnovija studija, ljudi bi je potrebno sedam mjeseci da propadne jedan od funta tijelo mast. There was no fat loss for women. Nije bilo masnoće gubitak za žene.

Another group of ingredients are said to increase the feeling of fullness and decrease eating. Druga grupa su sastojci, rekao je povećati osjećaj punine i smanjenje prehrane. Guar gum appears safe for this purpose, but 11 well-controlled studies demonstrate that it has no benefit as far as weight loss is concerned. Guar guma pojavit će se sigurno za tu svrhu, ali i 11-kontrolirane studije pokazuju da nema koristi koliko mršavljenja je u pitanju.

Psyllium can help control blood sugar and blood cholesterol, but studies do not support its reputed ability to reduce eating and assist weight loss. Psyllium može pomoći kontrolu šećera u krvi i kolesterol u krvi, ali studije ne podržavaju njen navodni smanjiti mogućnost prehrane i pomoći mršavljenja.

There are more than 50 individual supplements and 125 combination products now available for people who wish to lose weight. Postoji više od 50 pojedinačnih dodataka i 125 kombinaciju proizvoda sada je dostupna za ljude koji žele izgubiti težinu. Yet a Harvard Medical School review of these products that set standards for safety, quality and effectiveness concluded that none of them met all three standards. Ipak, jedan Harvard Medical School pregled tih proizvoda da postavite standarde za sigurnost, kvalitetu i efikasnost zaključio je da nitko od njih sastali su se sva tri standarda.

Future research may identify some safe and effective ingredients for weight loss, but for the time being it seems smarter to invest instead in walking shoes, a gym membership, or healthier food. Buduća istraživanja svibanj identificirati neke sigurne i djelotvorne tvari za mršavljenja, ali za sada izgleda pametnije investirati, umjesto u šetnju cipele, teretana članstvo, ili zdraviji hrane.

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