The lemon is high in vitamin C, fiber and various beneficial plant compounds. These nutrients are responsible for the health benefits of lemons. In fact, lemons may support heart health, weight control, digestive health and more.
This article lists six health benefits of lemons that are backed by science:
1. Support Heart Health
Lemons are a good source of vitamin C.
One lemon provides about 30.7 mg of vitamin C, which is 51 percent of your recommended daily intake (RDI).
Bottom Line: Lemons are high in heart-healthy vitamin C and several beneficial plant compounds that have been shown to lower cholesterol.
2. Help Control Weight
Lemons are often promoted as a weight loss food and there are a few theories as to why this is.
One common theory is that the soluble pectin fiber in them expands in your stomach, helping you feel full for longer.
That said, not many people eat lemons whole. And because lemon juice contains no pectin, lemon juice drinks will not promote fullness in the same way.
Another theory claims that drinking hot water with lemon will help you lose weight.
Other theories suggest that the plant compounds in lemons may help with weight loss.
In one study, mice on a fattening diet were given lemon polyphenols extracted from the peel. They gained less weight and less body fat than other mice (14).
These are interesting findings. However, at the moment no studies have confirmed the weight loss effects of lemon compounds in humans.
Bottom Line: Animal studies show that lemon extract and plant compounds may promote weight loss, but the effects in humans are unknown.
3. Prevent Kidney Stones
Kidney stones are small lumps that form when waste products crystallize and build up in the kidneys.
They are quite common and people who get them often get them repeatedly.
Bottom Line: Lemon juice may help prevent kidney stones from re-forming. However, more quality research is needed.
4. Protect Against Anemia
Iron from meat, chicken and fish (known as heme-iron) is very easily absorbed in your gut. Iron from plant sources (non-heme iron) is not as well absorbed, but this can be improved by the intake of vitamin C and citric acid.
Because lemons contain both vitamin C and citric acid, they may protect against anemia by ensuring you absorb as much iron as possible from your diet.
Bottom Line: Lemons contain vitamin C and citric acid, which help you absorb non-heme iron from plants. This may help prevent anemia.
5. Reduce Cancer Risk
In test tubes, many compounds from lemons have killed cancer cells. However, many things can kill cancer in a test tube, and that doesn't mean they will work the same way in the human body (32, 33, 34).
Another study used pulp from mandarins that contained the plant compounds b-cryptoxanthin and hesperidin, which are both also found in lemons.
The study found that the compounds prevented malignant tumors from developing in the tongues, lungs and colons of rodents (40).
However, it should be noted that the research team used a very potent dose of the chemicals—far more than you would get by eating lemons or oranges.
So far, it seems that plant compounds from lemons and other citrus fruits have the potential to prevent the progression of cancer.
That being said, no quality evidence shows that lemons can fight cancer in humans.
Bottom Line: Some plant chemicals from lemons have been shown to prevent cancer in animal studies. However, human studies are needed.
6. Improve Digestive Health
The main fiber in lemons is pectin, a form of soluble fiber that is linked to all sorts of health benefits.
However, to get the benefits of fiber from lemons, you need to eat a lot of them, including their pulp and skin.
People who drink the juice from lemons, without consuming the skin and pulp, will miss out on benefits of the fiber.
Bottom Line: The soluble fiber in lemons could help improve digestive health. However, you need to eat the pulp of the lemon, not just the juice.
Take Home Message
Lemons contain a high amount of vitamin C, soluble fiber and plant compounds that give them a number of health benefits.
Potentially, lemons may help with weight loss and provide protection against heart disease, anemia, kidney stones, digestive issues and cancer.
Not only are lemons a very healthy fruit, but they also have a distinct, pleasurable taste and smell that make them a great addition to foods and drinks.
This article was reposted from our media associate Authority Nutrition.
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