The investigators performed a 12-week, randomized, double-blind, placebo-controlled human trial to evaluate the efficacy and safety of Fermented Velvet Antler extract on fatigue recovery after exercise. The investigators measured fatigue recovery parameters , including lactate, ammonia, inorganic phosphorus, creatine kinase and LDH, and monitored their blood pressure.

Inclusion Criteria:

• Males and females 19-60 years old
• Hemoglobin concentration between 13 and 14 g/dL(men), 12 and 13 g/dL(women)
• Able to give informed consent

Exclusion Criteria:

• Allergic or hypersensitive to any of the ingredients in the test products
• History of reaction to any of the test products or of gastrointestinal diseases such as Crohn's disease or gastrointestinal surgery
• Participation in any other clinical trials within past 2 months
• Laboratory test, medical or psychological conditions deemed by the investigators to interfere with successful participation in the study
• Pregnant or lactating women etc.