When evaluating suppliers, researchers should look for third-party testing certificates showing purity of 98% or higher, clear documentation of the compound identity, established reputation in the research community, and responsive customer service that can answer technical questions
For a 10mg vial with 3 mL of water, the concentration is 3.33 mg/mL
If you used Defyne in the lips, it would probably be in the cutaneous non-red area surrounding the lip, for support (which we lose as we age)
For information about other supplements that may help, see our answer to the question: Do any supplements, foods, or oils help reduce muscle pain, muscle cramps, or nighttime leg cramps
The Benefits of Weekly B12 Shots: Energy, Mood, and Health - Muscle Lab