1. Acai berry
Acai berry, along with blueberries, is on the list of "super foods". The fruit is a source of antioxidants anthocyanins , which are important for maintaining good health. They protect against the negative effects of stress and store important cells in the body.
Acai berry also contains other useful ingredients - fiber, vitamins A and C, minerals iron and calcium.
2. Oysters
Oysters are a known aphrodisiac. Their benefits for stimulating the immune system due to the zinc content have also been found .
The mineral is thought to have an antiviral effect , although researchers still can't explain why. However, zinc has been found to help repair tissues from injury.
Oysters are rich in vitamins A, C, B12, which are important for energy levels .
3. Elderberry
It is rich in antioxidants and has anti-inflammatory properties.
It is considered an effective natural remedy for influenza. According to research, dark elderberry extract helps block flu viruses .
It is also useful for the recovery of the body after influenza.
4. Mushroom
This type of mushroom should not be underestimated as a source of nutrients - it contains selenium and antioxidants .
According to scientists, low levels of selenium are associated with an increased risk of developing flu symptoms.
A vitamin B group , such as riboflavin and niacin contained in mushrooms, play a role in maintaining a healthy immune system.
Studies also show that fungi have antiviral, antibacterial and anti-tumor effects.