Since colds are the reason most frequently given for absences from school and work, we recommend the daily use of nutritionalsupplements derived from beneficia.
由于感冒是学校和工作中最常见的缺勤原因，我们建议每天服用有益的营养补充剂。
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Sunlight is the primary way to get vitamin d, although taking certain nutritionalsupplements — like cod liver oil — can also help.
阳光是获取维生素d的主要途径，此外，摄取一些营养补充剂如鳕雨鱼肝油也会有所帮助。
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Well known examples include herbal and other nutritionalsupplements, acupuncture, aromatherapy and homeopathy.