Generally, the first step is to visit your doctor and find out if you have any deficiencies in your body. You can do this through blood tests or just by talking to your doctor about any symptoms you are displaying, such as tiredness or fatigue. Those could both be symptoms of an underlying condition, or a deficiency in certain substances that your body needs in order to function at its peak. If you speak to your doctor and find out that you do need supplements, take their advice and buy what they suggest.
Never take more than the recommended dose of the vitamins and supplements because despite their natural properties, your body can only use what it needs. You should also consider the nature of your eating habits. You may require supplements simply because you are not eating in a healthy way. Some foods are far less nutritious than others and if you tend to eat more fast food than healthy options, you can certainly become deficient in minerals and vitamins. Improving your eating pattern can help to regain some of your lost minerals and vitamins, but supplements will replenish the rest.
There are also times in your life when you might need some supplements because of age related conditions. Calcium becomes more important as we age, as does iron and zinc and Vitamin K. Depending on your age you should consult your doctor as to any age related issues that would benefit from an intake of supplements to ensure continued good health.
The brand you choose is also important. There are many brands on the shelves, all claiming to be the best and offer special ingredients or exclusive ingredients. Make sure you are taking a genuine product with a good reputation and not a cheaper brand that is synthetically produced. If your aim is to always use natural products in your body, make sure that what you are buying is in fact a genuinely natural product. While synthetically produced vitamins and minerals may help you, natural products always contain traces of the actual source from which they come, such as plants and herbs. Don’t mistake the fake for the real thing, when shopping for vitamins and supplements.