Beta-carotene and coenzyme Q10 are antioxidant-rich substances found in common foods. Antioxidants are thought to play a role in overall health due to their effect on free radicals in the body. While both beta-carotene and coenzyme Q10 are healthful compounds, there is limited evidence that they help asthma, emphysema or depression symptoms. Before taking any dietary supplement for these conditions, talk to your doctor about the potential benefits and risks.
Beta-Carotene and Coenzyme Q10
Beta-carotene gives carrots and sweet potatoes their rich orange hues, and can also be found in fruits like apricots or leafy greens like collards. It has antioxidant properties, and is also converted by the body to vitamin A, once ingested. Coenzyme Q10 is a particular type of antioxidant found in certain types of fish and whole grains. According to the University of Maryland Medical Center, coenzyme Q10, also known as CoQ10, is thought to boost the immune system and play a role in your body's energy levels. Both compounds are also available over the counter as supplements.
Asthma and Emphysema
Asthma and emphysema are airway disorders that make it more difficult for a person to breathe. While both are generally treated with prescription medications, antioxidants may also play a role in symptom management. According to UMMC, some people with asthma may have low levels of CoQ10. Research into CoQ10 for asthma is still preliminary, though MayoClinic.com reports it can improve symptoms when combined with other mainstream interventions. Beta-carotene's role in exercise-induced asthma has also gained some interest. While it may improve asthma symptoms, "Natural Standard" reports that research has largely involved compounds that are similar to beta-carotene as opposed to synthetic beta-carotene itself. The jury is out on CoQ10 and emphysema, though foods rich in beta-carotene may improve symptoms for some people with chronic obstructive pulmonary disease -- a group of disorders that includes emphysema.
Depression Symptoms
Depression is another example of a disorder often treated with prescription medications, though many look to alternative forms of symptom control. While many alternative websites may rave about the role of antioxidants in depression treatment, the scientific evidence is limited. Medline Plus reports there is not enough evidence to support the use of beta-carotene supplements for depression treatment. CoQ10 may act as an energy booster, but there is currently little research that relates to its use for depression. However, UMMC reports that taking tricyclic antidepressants may actually lower your natural CoQ10 levels.
Recommendations
The research regarding the role of many dietary supplements in the treatment of chronic conditions, such as emphysema and depression, is limited. Beta-carotene and CoQ10 are not substitutes for your usual prescription medications, and they may interact with certain medications, such as statins used for cholesterol management or blood thinners. However, there is little harm in increasing your intake of foods high in either beta-carotene or CoQ10. The foods that naturally contain these nutrients are often recommended as a healthy part of the diet. Always discuss any dietary supplements or changes in your diet with your doctor.
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