Let me share with you about Vitaking collagen.
Take it when you're in pain - sprain your neck / shoulder, twist your ankle / back, fracture a bone, tear a muscle, knee pain etc.
Or take it because you play a lot of sports / run marathons, walk a lot, climb a lot of stairs etc.
Or you simply want to maintain your radiance and youthful look.
Check out this 40-second clip for How to Prepare and the Benefits..