维生素行业的研究主要集中在供给端：维生素是生物体所需的微量营养元素，是维持机体正常代谢和机能的必须物质。其下游需求主要为饲料，虽然在个别年份养殖行业的冲击将短期对维生素需求产生影响，但平滑之后来看维生素需求仍呈现平稳增长态势，因此对于维生素行业的研究主要集中于供给端。

维生素是人和动物维持正常生理功能而从食物中获取的微量有机物质，在生长、代谢、发育过程中发挥着重要作用。维生素不是构成身体组织的原料，也不提供能量，属于调节物质。动物体内无法自行合成绝大多数维生素，或合成量不足，不能满足机体需要，所以需要通过食物获取。虽然人体对维生素需求量很小（毫克、微克/日），可一旦缺失会对健康造成损害。

Increasing dental problems among children and adults, due to poor eating habits, and the rise in popularity for herbal oral care products are the factors primarily driving the global toothpaste market. Moreover, rising premiumization and consumers seeking more targeted solutions are accelerating the growth of the market studied. The rise in consciousness of oral health has helped vendors introduce oral hygiene product categories, such as teeth-whitening products. One of the popular products used for teeth whitening is whitening toothpaste. Manufacturers offer toothpaste with teeth-whitening functionality that differs from ordinary toothpaste.

Thin-film photovoltaic module is considered to be a breakthrough in solar technology, and is rapidly increasing its share in the solar power sector. The thin-film (TF) solar panels consist of solar cells with light absorbing layers, which are more than 350 times smaller than a standard silicon panel. They are considered to be the lightest PV cells, owing to their narrow design and efficient semiconductor built into the cells.