Is it normal that I regularly snack on my vitamin C supplements?

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  • Vitamin C is water-soluble, so consuming more than your body needs doesn't have the potential to seriously screw up organ- and nerve-function the way that excessive intake of some fat-soluble vitamins and some minerals can. The supplements you're taking are in excess of the 2,000 mg daily recommended dose, but not vastly more. Still, fruit is not the only possible source of the vitamin, so if you have a reasonably varied diet apart from the lack of fruit, it's possible you're getting vitamin C from other sources as well.

    Consuming vitamin C in excess of what you need will be putting unnecessary strain on your kidneys. You're only allocated two of those at birth, their ability to tolerate abuse and repair damage is limited, and kidney failure is no fun at all.

    I haven't checked, but I'm pretty sure I recall reading somewhere that excessive vitamin C over a prolonged period can lead to the formation of kidney stones, and they aren't any fun either.

    It is the case that a diet that consists of only highly processed foods can result in deficiency (so much so that there has been a disturbing uptick in the number of kids diagnosed with scurvy in the UK over recent years). But it seems to me that you'd be wise to reduce your consumption of the tablets so you're intake is no more than 2,000 mg per day. There has been a lot of BS circulating in popular culture and on the internet about the magical properties of vitamin C for many, many years, but most of it is unscientific nonsense.

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