1, deep-water fish 2, low-fat milk 3, amino acid 4? Ammonia sugar

5. Propolis

Propolis can improve the ability of human macrophages to swallow viruses and bacteria, and make the immune system in the best state of dynamic balance, so it is called "natural immune enhancer". Daily supplementation of 1g and 1-3 months can improve the body's immunity.

Worth choosing: 1? Look at the content of active ingredients, whether there are bad additives; 2? Look at the platform, whether the qualifications are complete, whether there is a traceability mechanism, and after-sales guarantee.