Modern people love to use healthy food, think from natural very safe, so mix and overuse.
Eating catechin and propolis leads to the elevation of urinary toxicity; Calcium poisoning caused by elderly people drinking milk and calcium tablets is a very common case.
The Danish study also found that daily supplements of beta-carotene, vitamin A and vitamin E failed to protect against cardiovascular disease and cancer and may increase the risk of death in people who already had heart disease, cancer, or partial health.
In fact, studies have shown that a good eating pattern is more beneficial to health than taking nutrients alone.