More research is needed before conclusions can be drawn and recommendation can be made for glutamine supplementation.
Which of the following statements accurately reflects the need for further research on glutamine supplementation?

A) No further research is required as conclusive conclusions have already been drawn.
B) Additional research is necessary to make recommendations for glutamine supplementation.
C) The existing research is sufficient to make definitive conclusions and recommendations.
D) Further research is not required as glutamine supplementation has already been proven effective.