Consuming BCAAs can potentially break a fast, as they contain calories that can trigger an insulin response and disrupt the fasting state. However, the extent to which BCAAs break a fast may depend on the amount consumed and the type of fast being followed. For example, a small amount of BCAAs consumed during a fast may not significantly impact the benefits of the fast, while consuming larger amounts or during a strict water-only fast may have a greater impact. It's best to consult with a healthcare professional or registered dietitian for personalized guidance on consuming BCAAs while fasting.
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