The trend of taking dietary supplements has grown significantly over the years, as people seek to enhance their health and well-being. However, not all supplements are beneficial, and some can have detrimental effects on kidney health. Here, we delve into common supplements that might be secretly harming your kidneys.

1. Protein Powders

While protein is essential for muscle repair and growth, excessive protein intake, especially from protein powders, can stress the kidneys. High protein diets can increase the workload on the kidneys, leading to potential kidney damage over time, particularly in individuals with pre-existing kidney conditions.

Reference: Murtaugh, M. A., & McCullough, P. A. (2011). High-Protein Diets and Their Effects on the Kidneys.

2. Creatine

Commonly used by athletes and bodybuilders, creatine is known for improving physical performance. However, high dosages can lead to dehydration and kidney stress, especially in those who already have compromised kidney function.

Reference: Hespel, P., & De Ruiter, C. J. (2007). Does long-term creatine supplementation harm the kidneys? Journal of Sports Medicine.

3. Herbal Supplements

Certain herbal supplements, including those made from aristolochia and some traditional Chinese herbs, can be toxic to the kidneys and have been linked to acute kidney injury. It’s essential to source herbal supplements from reputable suppliers to avoid harmful substances.

Reference: Izzedine, H., & Laouad, R. (2010). Herbal medicine and the kidney: A systematic review. Kidney International.

4. Excessive Vitamin C

While Vitamin C is vital for immune function, taking it in excessive amounts can lead to kidney stones. High doses can increase oxalate levels in the urine, contributing to the formation of calcium oxalate stones.

Reference: Reddy, S. A., & Bhargava, A. (2012). Vitamin C: Boon or bane for renal stone disease? Nephrology Journal.

5. High-Dose Calcium Supplements

Although calcium is crucial for bone health, excessive supplementation can lead to kidney stones and potentially harm the kidneys. It’s important to obtain calcium through diet rather than relying heavily on supplements.

Reference: Curhan, G. C., & Willett, W. C. (2009). Calcium, dietary calcium, and risk of kidney stones. The New England Journal of Medicine.

Conclusion

While supplements can be beneficial for health, it’s crucial to be aware of their potential risks, especially concerning kidney health. Always consult with a healthcare provider before starting new supplements, particularly if you have existing health issues.