Although the use of brain health dietary supplements (brain DS) has increased, there is limited research on safety and risk of these products. Brain DS may be beneficial for improving memory, concentration, and focus but may also carry risks. To assess brain DS users’ utilization experiences and identify factors associated with likelihood of brain DS use among nonusers. An internet-based cross-sectional survey study was conducted using a sample of middle-aged US adults. Respondents’ sociodemographic characteristics and health beliefs regarding brain DS were collected. Brain DS users’ utilization experiences such as negative side effects and spending were also collected. Purposive sampling was utilized for users and nonusers sample recruitment. Brain DS users’ utilization experience and future likelihood of brain DS use among nonusers. Descriptive statistics on brain DS users’ utilization experiences were reported. Ordinal logistic regression with sociodemographic and belief characteristics as predictors was employed to identify factors associated with the likelihood of brain DS among nonusers. Five hundred twenty-five respondents (mean age = 43.8 ± 9.2 years) completed the survey. Among 260 users, primary reasons for use were enhancing memory (n = 136) and helping concentration and focus (n = 108). During the past year, 40% spent $50 to $200 (range = $0 to >$1,000) and 37% reported experiencing negative side effects. Among 265 nonusers, being female (odds ratio 2.04, 95% CI 1.21 to 3.45), perceived susceptibility to brain problems (odds ratio 1.90, 95% CI 1.28 to 2.83), recommendation from others (odds ratio 1.55, 95% CI 1.03 to 2.35) and perceived benefits of brain DS (odds ratio 2.82, 95% CI 1.60 to 4.96) were significantly associated with increased likelihood of future brain DS use. Individual spending on brain DS varies and about 40% of users reported experiencing negative side effects. As individuals primarily rely on healthcare providers for recommendations, health care providers should be prepared to engage in discussions about brain DS with patients.

中文翻译：

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美国对大脑健康膳食补充剂的个人信念和体验

尽管大脑健康膳食补充剂（brain DS）的使用有所增加，但对这些产品的安全性和风险的研究有限。 Brain DS 可能有益于改善记忆力、注意力和注意力，但也可能带来风险。评估 Brain DS 用户的使用体验并确定与非用户使用 Brain DS 的可能性相关的因素。一项基于互联网的横断面调查研究以美国中年成年人为样本进行。收集了受访者的社会人口特征和关于大脑 DS 的健康信念。还收集了 Brain DS 用户的使用体验，例如负面副作用和支出。目的抽样用于用户和非用户样本的招募。 Brain DS 用户的使用体验以及非用户未来使用 Brain DS 的可能性。报告了 Brain DS 用户使用体验的描述性统计数据。采用社会人口统计学和信仰特征作为预测因子的序数逻辑回归来识别与非使用者中大脑 DS 可能性相关的因素。 525 名受访者（平均年龄 = 43.8 ± 9.2 岁）完成了调查。在 260 名用户中，使用的主要原因是增强记忆力 (n = 136) 和帮助集中注意力 (n = 108)。去年，40% 的人花费了 50 美元到 200 美元（范围 = 0 美元到 > 1,000 美元），37% 的人报告经历了负面副作用。在 265 名非使用者中，女性（比值比 2.04，95% CI 1.21 至 3.45），感知到对大脑问题的易感性（比值比 1.90，95% CI 1.28 至 2.83），其他人的推荐（比值比 1.55，95% CI 1.03 至2.35）和 Brain DS 的感知益处（比值比 2.82，95% CI 1.60 至 4.96）与未来使用 Brain DS 的可能性增加显着相关。个人在 Brain DS 上的花费各不相同，大约 40% 的用户报告经历了负面副作用。由于个人主要依赖医疗保健提供者的建议，因此医疗保健提供者应准备好与患者讨论有关 Brain DS 的问题。