test1 1. What is your gender? * Male Female 2. How old are you? * Under25 25-30 31-40 41-50 51-60 61-70 71-80 Over 80 3. When did you start taking NMN? * Within one week Within one month Within three months Within six months Within one year More than one year 4. How often do you take NMN * Once a day (2 capsules) Twice a day (4 capsules) 3-5 times a week 5. Where did you first learn about the NMN product you purchased? * Friends and relatives Shops Newspapers and magazines Television Social media (Facebook, IG, wechat, etc) Web search (Google, baidu, Bing, etc) Customer Experience 6. What are the specific changes of you after taking NMN products? Observable potential value Improve performance during exercise training Relieve eye fatigue and discomfort Improved muscle related performance General cold recovers faster Become more energetic Faster wound healing Relieve fatigue and lethargy symptoms Increase appetite Waking up less frequently at night Improve sleep quality Gastrointestinal and digestive function improvement Long-term benefits Improve vision Memory enhancement Improve metabolic function Improved immune system functions Cardiovascular function improvement Better skin Regulate blood pressure Better concentrations No improvement or changes, but no discomfort 7. If the above results does not apply to you, please list your personal feelings and benefits after taking NMN * Time's up