Vet-recommended vitamin C for guinea pigs

So your vet has flagged that your Peruvian needs more vitamin C after their checkup — that's a really common finding in guinea pigs, especially as they get older, since they can't synthesise vitamin C themselves and levels can quietly drop. Good on you for acting on it straight away. Can I ask — is it just the one guinea pig, or do you have others? And did the vet give you a specific daily target in milligrams, or just a general recommendation to increase intake?

Margot is a great name. And yes, fussy guinea pigs are very real — some will flat-out refuse anything that smells medicinal. The good news is that 50mg is a very achievable dose with the right product, and there are options that guinea pigs genuinely seem to like. Before I point you to my top pick — does Margot eat a lot of fresh veg already, like bell peppers or leafy greens? Just helps me calibrate how much of a gap we're actually filling.

That makes sense — bell pepper is one of the best natural sources, but an older guinea pig's absorption isn't quite what it was, so a supplement on top is the right call. My clear recommendation for Margot is Beaphar Vitamin C tablets for guinea pigs. Each tablet contains 50mg of vitamin C, which hits your vet's target exactly in one tablet a day. They're small, slightly sweet, and most guinea pigs take them willingly — many owners just hand them over like a treat. Because they're tablets rather than water drops, you're not relying on Margot to drink a set amount of water, which is where liquid supplements often fall short. They're widely available on Amazon UK and very affordable for a daily supplement. I'd start by offering it by hand so she associates it with treat time rather than medicine time.

It's a sensible question, but with vitamin C you have a fair amount of headroom — guinea pigs excrete what they don't need, so mild excess from food isn't a concern. The vet's 50mg supplement target is set knowing she's still eating bell pepper, so you're not doubling up dangerously. The only thing to watch at very high doses over a long period is loose stools, but one tablet plus normal fresh veg is nowhere near that territory. Just keep the veg routine as it is, add the tablet daily, and you're doing everything right for her.

You're very welcome — Margot is lucky to have someone on top of her health like this. Peruvians can be dramatic about new things, so if she snubs it on day one, try tucking the tablet inside a small piece of bell pepper. Works a treat for most of them. Hope her next checkup goes brilliantly.