# Plant Label Check > Many tablets contain animal-derived ingredients. A step-by-step way to check a chewable supplement against a plant-based diet. ## Guides - [Vegan Certification vs a Plant-Based Claim](https://plant-based-supplement-label-check.pages.dev/vegan-supplement-certification/): A vegan supplement certification means an outside scheme has reviewed the product against its own rules, while a plant-based claim is usually the brand's own. - [Ingredient Sources Vegans Ask About](https://plant-based-supplement-label-check.pages.dev/gelatin-and-magnesium-stearate-sources/): Gelatin is animal-derived by definition, but magnesium stearate can come from plant or animal fats, which is why gelatin and magnesium stearate sources are the. - [Dairy Cultures and Probiotic Strains](https://plant-based-supplement-label-check.pages.dev/probiotic-strains-and-dairy/): Probiotic strains and dairy are linked in two ways: some species are traditionally associated with dairy foods, and some products are grown on dairy-based. - [How to Email a Manufacturer About Ingredient Sources](https://plant-based-supplement-label-check.pages.dev/contacting-manufacturer-ingredient/): A short, specific email works better than a general query, and contacting manufacturer ingredient questions is the only way to learn what a product page leaves. - [Fermented Plant Foods in a Daily Diet](https://plant-based-supplement-label-check.pages.dev/fermented-plant-foods-oral-health/): Fermented plant foods such as sauerkraut, kimchi made without fish sauce, and unsweetened soya products can be part of a varied diet, but the evidence on. ## About - [About Plant Label Check](https://plant-based-supplement-label-check.pages.dev/about/): not medical advice, how the site is funded and how guides are made ## Optional - [RSS feed](https://plant-based-supplement-label-check.pages.dev/feed.xml)