New research indicates vitamin D3 may be more effective at bolstering immune system defenses against viral infections compared to vitamin D2
 
																																												New research indicates vitamin D3 may be more effective at bolstering immune system defenses against viral infections compared to vitamin D2
 
																									 
																									 
																									 
																									 
																											
																									 
																									 
																									 
																									 
																											
																									 
																									 
																									 
																									 
																									 
													 
													 
													 
													 
													 
													 
													 
													 
													 
													 
													 
													