Caffeine: Is it dehydrating or not? - Mayo Clinic
网页2023年1月12日 — Caffeine poisoning can happen with 1,200 milligrams of pure caffeine, according to the FDA. That is less than half a teaspoon of caffeine in powder form. Other, more-common issues people have reported after drinking caffeinated drinks are trouble sleeping, loose stools and upset stomach. Overall, water is probably your best bet to stay …
Taurine in energy drinks: What is it? - Mayo Clinic
网页2023年5月10日 — Taurine, in certain amounts, is a safe drink ingredient in the United States. Taurine occurs naturally in foods with protein, such as meat or fish. The human body uses taurine for actions in cells. One example is that taurine is used for energy production. Taurine also helps the body process bile acid and balance fluids, salts and minerals ...
Caffeine: How does it affect blood pressure? - Mayo Clinic
网页2024年7月9日 — Some researchers think that caffeine could block a hormone that helps keep the arteries widened. Others think that caffeine causes the adrenal glands to release more adrenaline, which causes blood pressure to go up. Stress also might play a role. People who regularly drink caffeine develop a tolerance to caffeine.
Protein shakes: Good for weight loss? - Mayo Clinic
网页2022年4月27日 — Answer From Katherine Zeratsky, R.D., L.D. Makers of protein shakes may say that their products help lower body fat or promote weight loss. But protein shakes aren't a magic way to lose weight. Some studies find that consuming a higher than usual amount of protein in your diet may offer benefits. For example, eating or drinking products that ...
Metabolism and weight loss: How you burn calories - Mayo Clinic
网页2022年10月8日 — Metabolism is the process by which the body changes food and drink into energy. During this process, calories in food and drinks mix with oxygen to make the energy the body needs. Even at rest, a body needs energy for all it does. This includes breathing, sending blood through the body, keeping hormone levels even, and growing and …
Carbohydrates: How carbs fit into a healthy diet - Mayo Clinic
网页2022年3月22日 — Carbohydrates are a type of macronutrient found in many foods and beverages. Most carbs occur naturally in plant-based foods, such as grains. Food manufacturers also add carbs to processed foods in the form of starch or added sugar. Common sources of naturally occurring carbohydrates include: Fruits. Vegetables.
Creatine - Mayo Clinic
网页2023年12月13日 — Creatine is a compound that comes from three amino acids. Creatine is found mostly in your body's muscles as well as in the brain. Most people get creatine through seafood and red meat — though at levels far below those found in synthetically made creatine supplements. The body's liver, pancreas and kidneys also can make …
Caffeine: How much is too much? - Mayo Clinic
网页2022年3月19日 — Up to 400 milligrams (mg) of caffeine a day appears to be safe for most healthy adults. That's roughly the amount of caffeine in four cups of brewed coffee, 10 cans of cola or two "energy shot" drinks. Keep in mind that the actual caffeine content in beverages varies widely, especially among energy drinks. Caffeine in powder or liquid …
Artificial sweeteners: Any effect on blood sugar? - Mayo Clinic
网页2023年1月14日 — This is why foods made with artificial sweeteners may have fewer calories than those made with sugar. Sugar substitutes don't affect your blood sugar level. In fact, most artificial sweeteners are considered "free foods." Free foods contain less than 20 calories and 5 grams or less of carbohydrates, and they don't count as calories or ...
Artificial sweeteners and other sugar substitutes - Mayo Clinic
网页2023年1月10日 — These agencies check ingredients, such as sugar substitutes, before foods or drinks that contain them can go on sale. In the United States, the Food and Drug Administration (FDA) allows the following sugar substitutes to be used: Acesulfame potassium (Sweet One, Sunett). Advantame. Aspartame (NutraSweet, Equal).