fb61bd32_Taking_Nutritional_Supplements__Reasons_for_Caution
[Clinical Problem] Muscle Soreness after Exercise [Potentially Harmful Nutrient] Vitamin C 1g/day [Reasons for Caution] 
In a trial in physically active young men supplements of vitamin C 1g/day resulted in increased post-exertional delayed muscle soreness compared to placebo.
Minor Contraindications to Taking Nutritional Supplements
Reasons for Caution