Depression Symptoms - Sawada T, Yokoi K Effect of zinc supplementation on mood states in young women: a pilot study Eur J Clin Nutr. (2010 Mar) Dysgeusia - R I Henkin, B M Martin, R P Agarwal Efficacy of exogenous oral zinc in treatment of patients with carbonic anhydrase VI deficiency Am J Med Sci. (1999 Dec)

Upper Respiratory Tract Infection Symptoms - Petrus E, Lawson K, Bucci L, Blum K Randomized, double-masked, placebo-controlled clinical study of the effectiveness of zinc acetate lozenges on common cold symptoms in allergy-tested subjects Curr Ther Res. () You should be able to get all the molybdenum you need from your daily diet. What happens if I take too much molybdenum? Zinc citrate can cause a decrease in the absorption of Demeclocycline resulting in a reduced serum concentration and potentially a decrease in efficacy. Brilla et al Effects of a Novel Zinc-Magnesium Formulation on Hormones and Strength Journal of Exercise Physiology. (2020)

Zinc citrate 

A Taravati, F Tohidi Association between seminal plasma zinc level and asthenozoospermia: a meta-analysis study Andrologia. (2016 Aug) Nielsen FH, Lukaski HC Update on the relationship between magnesium and exercise Magnes Res. (2006 Sep) You should be able to get all the copper you need from your daily diet. What happens if I take too much copper? Spontaneous Birth Risk - Carducci B, Keats EC, Bhutta ZA Zinc supplementation for improving pregnancy and infant outcome. Cochrane Database Syst Rev. (2021-Mar-16)

Upper Respiratory Tract Infection Symptoms - Turner RB, Cetnarowski WE Effect of treatment with zinc gluconate or zinc acetate on experimental and natural colds Clin Infect Dis. (2000 Nov) Taking high doses for a long time can reduce the amount of calcium in the body, which means bones are more likely to fracture. What does the Department of Health and Social Care advise? Total cholesterol - Asbaghi O, Sadeghian M, Fouladvand F, Panahande B, Nasiri M, Khodadost M, Shokri A, Pirouzi A, Sadeghi O Effects of zinc supplementation on lipid profile in patients with type 2 diabetes mellitus: A systematic review and meta-analysis of randomized controlled trials. Nutr Metab Cardiovasc Dis. (2020-Jul-24) Olivares M, Pizarro F, Ruz M New insights about iron bioavailability inhibition by zinc Nutrition. (2007 Apr) Corona G, Rastrelli G, Monami M, Saad F, Luconi M, Lucchese M, Facchiano E, Sforza A, Forti G, Mannucci E, Maggi M Body weight loss reverts obesity-associated hypogonadotropic hypogonadism: a systematic review and meta-analysis Eur J Endocrinol. (2013 May 2)Costello RB, Moser-Veillon PB A review of magnesium intake in the elderly. A cause for concern? Magnes Res. (1992 Mar) Tip – avoid taking a Zn supplement for 2 hours after you consume foods high in fiber (like beans, seeds, nuts, or oat bran) since they may reduce the absorption of Zn. Also, avoid high-dose, long-term Zn supplementation. Side Effects of Zinc Citrate Normal daily recommended intakes in milligrams (mg) for zinc are generally defined as follows: Information about this zinc-supplement-oral-route-parenteral-route Persons

Zinc citrate can cause a decrease in the absorption of Ciprofloxacin resulting in a reduced serum concentration and potentially a decrease in efficacy. Common signs and symptoms that could indicate that you are overconsuming Zn supplements may include: Zinc citrate trihydrate (32 mg) + Ascorbic acid (500 mg) + Biotin (0.15 mg) + Calcium carbonate (244 mg) + Cyanocobalamin (0.01 mg) + Folic acid (0.4 mg) + Magnesium carbonate (122 mg) + Magnesium oxide (115 mg) + Nicotinamide (50 mg) + Calcium pantothenate (25 mg) + Pyridoxine hydrochloride (10 mg) + Riboflavin (15 mg) + Thiamine mononitrate (15 mg)Wehr E, Pilz S, Boehm BO, März W, Obermayer-Pietsch B Association of vitamin D status with serum androgen levels in men Clin Endocrinol (Oxf). (2010 Aug) The content of zinc sulfate depends on which form is used. The anhydrous, monohydrate, and heptahydrate forms of zinc sulfate are 41%, 36%, and 23% zinc by weight, respectively; therefore, 123 mg of anhydrous zinc sulfate, 137 mg of zinc sulfate monohydrate, and 220 mg of zinc sulfate heptahydrate each contain 50 mg of elemental zinc. Seet RC, Lee CY, Lim EC, Quek AM, Huang H, Huang SH, Looi WF, Long LH, Halliwell B Oral zinc supplementation does not improve oxidative stress or vascular function in patients with type 2 diabetes with normal zinc levels Atherosclerosis. (2011 Nov)

But, on average, people in the UK eat approximately 8g of salt (about 3.2g of sodium) a day, which is much more than the body needs.

5. Zinc Carnosine

Note– the problem with consuming too many Zn supplements is that it actually prohibits the metabolism from properly absorbing other minerals and vitamins the body requires.