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That sudden tingling, The itching or warmth you feel after a pre-workout can be disconcerting — especially if it spreads to your face, arms, or chest. Although this may seem unusual, it is not always a sign that something is wrong. In most cases, these sensations are usually linked to specific ingredients added to pre-workout formulas, which trigger temporary nerve or blood vessel reactions, rather than a harmful allergic reaction.
Read this also Taking a pre-workout supplement regularly? Doctor explains how they affect your heart, cause anxiety and disrupt sleep
Dr. Kunal Sood, an anesthesiologist and interventional pain medicine physician, explains why some people experience a tingling sensation — or the familiar pins-and-needles effect — after doing a pre-workout. Supplement. He explains, “If you’ve ever done a preworkout and suddenly you feel your face or arms buzzing, you’re not imagining it, there’s real physiology behind that feeling.He gives the following reasons:
beta alanine
According to Dr. Sood, the tingling or “pins and needles” sensation that some people experience after taking pre-workout supplements is often associated with beta-alanine, a common ingredient in many formulations. He explains, “It activates receptors on your skin’s sensory nerves, causing a sensation of pricks and needles called paresthesia. It’s harmless but definitely noticeable.”
Niacin or Vitamin B3
Another ingredient that may contribute to the tingling sensation — along with facial redness and flushing — is niacin, or vitamin B3, which is included in some pre-workout formulas. Dr. Sood explains, “In high doses, niacin triggers a general flush response. The blood vessels dilate, causing warmth, redness, and mild itching, especially in the face and upper body. These sensations usually peak within the first hour and go away on their own.”
artificial colors and flavors
Some artificial flavors and colors added to pre-workout formulas may cause itching in some sensitive individuals. “Artificial colors or flavors in pre-workouts may also cause itching for some people if they are sensitive to certain additives,” the doctor says.
How to differentiate it from allergy?
Dr. Sood emphasizes that tingling from beta-alanine or redness caused by niacin is not dangerous, but it is important to differentiate them from allergic reactions, which may be cause for concern. He points to the following symptoms, “Concerning signs would be hives, swelling, sore throat or difficulty breathing which point to an allergic reaction, not to the specific effects of the pre-workout ingredients.,
Note to readers: This article is for informational purposes only and is not a substitute for professional medical advice. It is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.
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