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SESK: Stuff Everyone Should Know · sesk.info/dog-methylxanthines

Chocolate, coffee and caffeine are risky for dogs because they all contain what?

They all contain methylxanthines.

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  1. Tartaric acid
  2. Methylxanthines ✔
  3. Allium compounds

Why: Methylxanthines are stimulant chemicals. Chocolate, coffee and caffeine all carry them.

Huh, didn't know that: Tartaric acid is thought to be the toxic part of grapes and raisins, a different problem.

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References

Answer: Methylxanthines. Methylxanthines are stimulant chemicals. Chocolate, coffee and caffeine all carry them.

  1. ASPCA, People Foods to Avoid Feeding Your Pets www.aspca.org/pet-care/aspca-poison-control/people-foods-avoid-feeding-your-pets
    Chocolate, coffee, and caffeine are similar in that their toxicity concerns stem from their methylxanthine concentrations
    Checked 2026-10-10.

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