Claims in Your Mastermind Course require a reasonable basis. A reasonable basis exists when you have support from the claim that is from a reliable source.
Wikipedia and general search results from the internet do not constitute a reliable source. A reliable source would include scientific studies, published accredited materials, and generally acceptable practices. Basically, a source which could withstand criticism.
For example, a claim of increased health benefits from a supplement or nutrient must have scientific evidence in the form of a peer reviewed study published in a respected journal to support it.