You are using Li Jiren's health tea, a master of traditional Chinese medicine, which has the functions of benefiting qi, nourishing yin and promoting fluid production, invigorating spleen and moistening lung, nourishing liver and kidney, benefiting eyesight, strengthening body constitution and improving human immunity.

Efficacy of American ginseng: tonifying lung and reducing fire, nourishing stomach and promoting fluid production, benefiting qi and calming nerves. Used for deficiency of lung yin, cough and asthma due to deficiency heat, hemoptysis, dry cough due to yin injury due to fever, and weakness after illness.

Efficacy of Lycium barbarum: nourishing liver and kidney and benefiting eyes. It can be used for asthenia, deficiency of essence, soreness of waist and knees, dizziness and tinnitus, thirst quenching due to internal heat, blood deficiency and sallow, and blurred vision.

Efficacy of Polygonatum sibiricum: benefiting qi and nourishing yin, invigorating spleen and kidney, moistening lung. Used for spleen and stomach weakness, mental fatigue, dry mouth, anorexia, lung deficiency, dry cough, deficiency of essence and blood, and internal heat to quench thirst.

Efficacy of Astragalus membranaceus: benefiting qi, consolidating exterior, promoting diuresis, expelling pus, healing sores and promoting granulation. It can be used for treating asthenia due to qi deficiency, inappetence, loose stool, stagnation of middle qi, diarrhea, proctoptosis, metrorrhagia, bleeding in stool, spontaneous sweating due to exterior deficiency, edema due to qi deficiency, carbuncle swelling, chronic constipation, and internal heat to quench thirst.

These are medicinal materials, so it's best not to soak them in tea.