The market for beef supplements in the USA is growing, driven by the increasing demand for high-quality protein and the health benefits associated with consuming grass-fed beef. Here are a few key trends in the market:

1. Rising interest in high-protein diets: With the rise of fitness and health trends, there is an increased demand for high-protein foods and supplements, which includes beef supplements.
   
   
2. Growth of the natural and organic food market: Consumers are becoming more conscious of the food they eat and are increasingly looking for natural, organic, and non-GMO options, which includes beef supplements.
   
   
3. Increased awareness of the health benefits of grass-fed beef: Studies have shown that grass-fed beef is higher in beneficial nutrients such as omega-3 fatty acids, conjugated linoleic acid (CLA), and vitamins A and E, which has led to an increased demand for grass-fed beef supplements.
   
   
4. Boom of e-commerce: The beef supplements market is expected to benefit from the boom of e-commerce, as it is easier for consumers to purchase supplements online.
   
   
5. Increase in demand from aging population: As the population ages, the demand for supplements to support health and wellbeing will continue to increase.
   
   
6. The market for beef supplements is largely dominated by dietary supplement manufacturers and retailers, but there are also some specialty meat processors and grass-fed beef producers that offer supplements directly to consumers.
   
   
7. Beef supplements come in various forms such as powder, capsules, and jerky that can be consumed in different ways, which can cater to different consumers' preferences.

The market is also expected to benefit from the increasing trend of functional food, which includes food products that have added health benefits, such as grass-fed beef supplements with added probiotics or collagen.