Vitamins and Minerals are found in foods and many of them we get enough of when we eat a balanced and varied diet. 
They are not optional they are ESSENTIAL for Human biological function because the body cannot make them within itself.  They act as structural elements, cofactors and coenzymes in many molecules and biochemical reactions. 
The reason we eat is because we need these molecules to live. 

​A balanced and varied diet is the right amounts of Protein, Carbohydrates and Fats (the Macronutrients), Water and the Micronutrients – Vitamins and Minerals gained from eating all different kinds of foods daily.  

These days we have a huge range of vitamin and mineral products that we can choose to supplement our diet with.  They aren’t the same as getting nutrients from your food, they are processed products.  Not meant to replace foods but as a supplement to your diet (daily food intake) when your body is not getting enough or when it needs more.  That is why they often have that on the label and why some people scoff at the very notion of taking supplements. 
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The balanced perspective is that Vitamins and Minerals are essential to human life and deficiencies or low levels (status) reduce the body’s ability to perform biochemical functions that require those molecules.  Yet consuming amounts over the scientifically determined Upper Limit (UL) causes another set of problems related to how the body uses, stores, transports and excretes the vitamin or mineral.  At best your body will release the excess in urine as is the case with most water-soluble vitamins (the Bs and C) thus causing the much-emphasised expensive neon wee. 

At worst overconsumption of Vitamins and Minerals can cause a severe adverse reaction and the ultimate demise of the life that one was trying to maintain the health of.  [Aside: the authors avid HHGttG reader status shining through here.]

The risk of adverse reactions from vitamin and mineral supplements is deemed as low by the Therapeutic Goods Authority of Australia (TGA) [and equivalent regulatory bodies across the globe] if taken within the recommended guidelines and Authorised label instructions.  This is why these products are listed as Aust L medicines or Food Products whereas pharmaceutical drugs and some over the counter medicines are Aust R (regulated because the risk of harm is greater). ​

Some other Websites to check for suitabiltiy of your medication with Nutritional Medicines:
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NPS MedicineWise has searchable CMI's  which list things to avoid while taking your medication
www.nps.org.au/medicine-finder

Better is the Medscape drug interaction checker which will cross reference supplemental herbs and nutrients with medications:

reference.medscape.com/drug-interactionchecker 

During your Naturopathic Consultation I will note all your medications and am able to prescribe Herbs, vitamins and Minerals that are safe to take with them.  Often Foods can be a great and delicious way to increase nutrient intake and avoid any risk of interaction.  Contact me, Book your session or Purchase and complete a totally online Supplement Safety Review form which will provide you with a report of current supplements to avoid or explore for optimal health.

EAR and RDI determined as  the average percentage of Zinc that is absorbed by the intestine in humans PLUS the amount of zinc needed to replace the amount of Zinc excreted or lost by the body daily via urine, sweat, bowels and for men semen.
https://www.nrv.gov.au/nutrients/zinc
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Have a look at the list of Zinc rich foods. Do you eat these daily? If you eat a lot of these enough to take you up to around the RDI for Zinc per day then you are probably fine. Unless you have an absorption problem due to intestinal disease or inflammation such as Coeliac, IBS, Crohns, Bowel cancer or skin conditions which affect absorption and increase Zinc requirements.
If you are not eating enough of these foods especially vegetarian diets which exclude meat then it is in your best interest to supplement. But use a good quality one and stick to a safe limit.  Taking a higher dose when you’re sick or sometimes to quickly address a severe deficiency should only be done short term ie when you have illness symptoms or for one to two weeks. 

Don’t go over the upper limit and don’t continue to take an excessive amount for a long time as you will be damaging your body. Excess zinc reduces copper absorption and iron causing deficiency in those minerals.

Simply adding a few Zinc rich foods to your diet will ensure that your body has all the zinc that it requires for a robust Immune System and your skin and mood will thank you too.