Based on the information provided, it appears that the message you received is related to digital advertising and monetization through a platform called Monetag. However, the content seems to be spammy in nature, promoting earning potential through ad placements on websites without clear disclosure of the product or service being advertised.
When researching further about Reva Calloway, there is no specific information available related to any association with supplements, vitamins, or any known legal issues. It is possible that the name mentioned in your query is not directly related to the content provided in the message about Monetag and website monetization.
In general, it is important to be cautious when receiving unsolicited emails or messages promoting ways to earn money online, as they could potentially be scams or lead to questionable practices. It is advisable to verify the legitimacy of such platforms before engaging with them to avoid any potential risks or issues.
If you are specifically looking for information about Reva Calloway and their involvement in the supplement or vitamin industry, it may be helpful to conduct a targeted search using keywords related to their name and the specific products or services you are interested in learning about. Additionally, checking official sources, industry websites, and consumer reviews can provide more accurate and reliable information on the topic.