Oxbow Natural Science Vitamin C Small Animal Supplement, 60 count

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Provide essential Vitamin C to support your small pet's overall health with Oxbow Natural Science Vitamin C Small Animal Supplement. Like humans, Guinea Pigs cannot produce Vitamin C on their own and rely on their diet for this essential vitamin. Without it, Guinea Pigs can develop a condition that in humans is known as scurvy. This condition can cause lethargy, weight loss, poor tooth development and nasal discharge. Oxbow Natural Science Vitamin C Small Animal Supplement is a hay-based, high-fiber supplement containing the essential stabilized Vitamin C Guinea Pigs need to stay healthy. Other small pets can benefit from this supplement during times of stress, illness or recovery. Along with Vitamin C, it contains timothy grass, barley flour and oat grout flour for fiber and flax seed meal for protein. Feed rabbits, Guinea Pigs and chinchillas 1 tab a day and rats ¼ tab a day.

Key Benefits

  • Provides essential Vitamin C and prevents scurvy in Guinea Pigs. This supplement will help strengthen your pet's immune system.
  • Formulated to relieve stress in other small pets and while also aiding in recovery.
  • Produced with a hay-based formula, this product is high in fiber which will help support an overall healthier system.
  • Made with all-natural ingredients to specifically support a small animal's overall health. There are no artificial flavors, colors or preservatives.
  • Perfect for small animals like Guinea Pigs, rabbits, and chinchillas.

Additional Details

When adding supplements to your pet's diet, always consult your veterinarian.

New look, same great formula! This product has recently undergone a packaging change. Customers may receive old packaging during this transition.

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  • Item Number
  • Lifestage
    Adult, All Stages
  • Made in
    United States
  • Small Pet Type
    Rabbit, Guinea Pig, Chinchilla, Rat, Mouse, Degu, Hamster, Gerbil
  • Supplement Form
    Chewable Tablet



Timothy Grass, Barley Flour, Oat Groat Flour, Cane Molasses, L-Ascorbyl-2-Monophosphate (Vitamin C), Flax Seed Meal, Brewers Dried Yeast, Guar Gum, Fat Product, Mixed Tocopherols (Preservative), Rosemary Extract.

Individualized Nutrition

Adult guinea pigs and rabbits can benefit from individualized maintenance diets with Natural Science. These foods are made with novel, premium ingredients for variety and long-strand fiber from three grass hays. They deliver antioxidants and omegas to support wellness and prebiotics for GI system health.

Natural Science Foods
Natural Science supplements

Targeted Support for Key Health Issues

Natural Science supplements offer customized nutritional support for digestive, immune, joint, urinary, senior, skin and coat, and overall health. Each tablet contains Timothy hay and is baked with beneficial herbal ingredients to target specific needs. There are no additives, preservatives or artificial colors.

The Gold Standard of Small Pet Nutrition

An ideal small animal diet includes 20% fortified foods for herbivores and 75% for omnivores for essential vitamins and micronutrients. Oxbow's three fortified food lines are recommended by veterinarians worldwide because they're specially formulated to meet the unique needs of small animals—a true gold standard of nutrition.

The Gold Standard

About Oxbow

Family-owned and operated, Oxbow is passionately committed to helping small animals lead longer, healthier lives. Grown by experts on Oxbow's family of farms, their formulas and life-staged diets have defined the way small animals are fed today. From plant to pet, Oxbow products meet the highest standards time and time again.

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Customer Reviews

60 reviews 60 Reviews 4.7 out of 5 Stars

97% Recommend

97% of reviewersrecommend this product

4.7 / 5

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  • My guinea pig loves them!

    By on

    I have a guinea pig who didn't really get into eating her oranges and so I was worried that she would end up with a Vitamin C deficiency all because she wouldn't eat her oranges. I got her two bags of these in hopes that she would get the Vitamin C that she needed and she eats this stuff like there's no tomorrow! I am so very satisfied with this product and would highly recommend this to any guinea pig owner who needs to get their guinea pig started on some Vitamin C.

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  • Great treat!

    By on

    I have been on the fence about buying this for. While and I finally decide to try it. I moved and one of my chins was stressing out from it. This treat helps reduce stress and I definitely works! After a week of giving her this treat i noticed a huge change in her behaviour is she is no longer stressing out. Love oxbow!!

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  • Both bunnies loved these !

    By on

    At first it took me a bit to get the bunnies to try this . I gave each of them one tablet and they sniffed it for a bit as it was something completely new for them but once they tried it they were nudging the bag for more . so this will be something I give them once a day from now on .

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  • Recommend! Guinea pigs need.

    By on

    One of my guinea pigs has a biting issue so the vet has recommended I feed him this tablet instead of giving him the drops. If your small animal bites I highly suggest you feed them this instead of the drops. I do give my 2 other guinea pigs the drops though.

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  • My guinea pigs love it!

    By on

    Vitamin C is a very important for guinea pigs They need vitamin C like we do. The oxbow supplements are easy to feed and my guinea pigs love them. I call them cookies and as soon as they hear the bag rustle they are at the cage door waiting.

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  • Fantastic!

    By on

    My guinea pigs LOVE this stuff, like they treat it like crack. I don't give as much veggies as I probably should but this fills in on the lack of Vitamin C they're missing from their diet.

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  • Great treat for guinea pigs

    By on

    I give 1/2 tablet to each guinea pig each morning. They love this and take it like a treat! I am glad that they love it and it gives me piece of mind because it’s a healthy snack.

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  • picky pigs

    By on

    have 2 guinea pigs....one absolutely loves these & the other we have to be more sneaky by crumbling them into his food dish. like these because they have no dairy in them

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  • Guinea Pigs love them!

    By on

    Great source of vitamin C for guinea pigs! Chewy offers a better price compared to our local pet store. Definitely will repurchase again for my Mother & her guinea pigs.

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  • Piggies wouldnt eat

    By on Top 500 Contributor

    None of my piggies would eat this. I wish chewy carried the liquid vitamin c for guinea pigs that you could add to water, it would be so much easier to give, and then I wouldn't have to look for it anywhere else

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