If you make a shortlist of the most commonly used medicinal plants, the elderberry will probably make it into it. For decades, it is being used to treat infections and heal burns. It has many other notable health benefits too.
On the flip side, the elderberry has some side effects and harmful impacts on the human body. It is in your best interest to know the notable pros and cons of elderberry before you decide to consume it.
Elderberry syrup contains most of the health benefits and side effects of the original plant. The syrup is commonly used as a supplement to treat cold and flu symptoms. If you are thinking of using the syrup, then the following facts should be analyzed.
Pros of Elderberry Syrup
1. Elderberry Syrup is High in Nutrients.
Elderberry syrup is packed with different sorts of antioxidants and other nutrients. The high percentage of vitamins can account for up to 60 percent of your daily recommended intake. 
Moreover, it contains dietary fiber that can give you a quarter of the daily recommended intake. Besides, the phenolic acids present in elderberry syrup can prevent the damage caused by oxidative stress. 
There are different types of elderberry plants and syrups. The nutrient values you will get from your syrup depend a lot on the type of syrup you are using.
2. It Improves Flu and Cold Symptoms
Elderberry extracts like syrups can reduce the length and severity of influenza. According to a study, taking 15 ml of elderberry syrup four times a day can improve the symptoms in two to four days only. 
Another study stated that 300 mg of the syrups three times a day could shorten the duration and severity of the illness in the cold season. 
Remember, these studies are conducted by analyzing commercial products that might have significant side effects. You shouldn’t use any of them without knowing about those side effects.
3. Elderberry Syrup Might Improve Heart Health
Some studies have shown that elderberry syrup can reduce fat and cholesterol in our bodies. It also contains flavonoids such as anthocyanins that reduce the risk of heart disease. 
Elderberry also increases insulin secretion and improve blood sugar levels. Blood sugar control is really important for your body as you might get type 2 diabetes when your blood sugar level goes beyond control.
4. It Might Fight Cancer
European and American elders have reported that elderberry syrup has cancer-inhibiting properties.  Anyways, as this is only confirmed by test-tube studies, more extensive research is required to get a final verdict.
5. It Has Anti-depressant Properties
According to a study, feeding 544mg of elderberry to mice had improved mood markers and performance. 
Besides, the elderberry has some additional benefits like immune support, diuretic effects, and UV protection. The same benefits might be found in the syrup version as well.
Cons of Elderberry Syrup
1. It Might Cause Stomach Problems
If your elderberry syrup contains substances like lectins, then you might suffer from stomach problems if you consume too much of it. 
2. It Can Release Cyanides
Apart from lectins, it might also contain cyanogenic glycosides that can release cyanide in some instances. Fresh elderberries contain 3 mg of cyanide per 100 grams. If the syrup is not prepared for taking the precautions, then it can even become really fatal.
The Bottom Line
Most of the benefits promised by elderberry are confirmed by researches conducted in lab settings and are yet to be tested extensively in humans. That’s why you should ask a healthcare professional before deciding to take any kind of elderberry syrup.
Hopefully, most of the harmful impacts of elderberry are not found in commercial products. Commercial products like syrups are prepared, taking measures to exclude the harmful substances from elderberry.
It is not recommended to prescribe elderberry syrups to individuals under 18. Pregnant or lactating women should avoid the syrup for ensuring better maternal health.
If you want to get the benefits out of elderberry, then you should consider commercial products like syrups.
Eating uncooked berries will make you vulnerable to chemicals like lectin and cyanide. You might suffer from vomiting, nausea, and diarrhea because of these substances.