FAQ: Supplements in Homemade Dog Food
A practical FAQ covering the most common questions about supplements in homemade dog diets: how to use them correctly, when they’re needed, and how to avoid common mistakes.
Does my dog need supplements every day?
No. Even if a recipe specifies a certain amount of zinc or calcium per day, it does not mean your dog must receive it every single day. The body regulates nutrients over time, and skipping supplements occasionally is not a problem.
How long can a dog go without supplements?
In certain situations, such as during an elimination diet, it is common for a dog to go without supplements for up to 8–12 weeks. This is done to minimize the risk of supplements triggering allergic reactions. Exception: Calcium must always be considered separately, as imbalances can affect the body relatively quickly.
Can puppies go without supplements?
Yes and no, it depends on the situation. Puppies are more vulnerable and have a much greater need for a properly balanced intake of nutrients, especially calcium and phosphorus. Even short-term imbalances can affect development, so decisions must always be made on an individual basis and with extra caution.
Is it dangerous to give too many supplements “just in case”?
Yes, especially when it comes to fat-soluble vitamins (A, D, E, and K). While water-soluble vitamins (like B and C) are more readily excreted in urine, excess fat-soluble vitamins are stored in the body and can, in worst cases, lead to toxicity or skeletal issues. Follow the recommended dosages.
Can’t I just feed a varied diet to cover all needs?
While variety is beneficial, it is very difficult to meet a dog’s requirements for nutrients such as zinc, iodine, vitamin D, and the correct calcium-to-phosphorus ratio using only meat, organs, and vegetables. Over time, homemade diets without supplementation will almost always lead to deficiencies, even with varied protein sources.
What if my dog refuses food with supplements?
This is common in the beginning. Try introducing supplements gradually over 7–14 days. Start with a very small amount and increase slowly. You can also mix the supplement with something highly palatable (such as bone broth or kefir), either within the meal or separately.
Can I use bones instead of calcium supplements?
Yes, but it requires precision. Bones contain significant amounts of calcium, but the content varies widely between different types. If you replace calcium powder with bones, the recipe must be adjusted to maintain the correct calcium-to-phosphorus ratio. Calcium supplements are often recommended initially because they are easier to dose accurately. Raw meaty bones naturally contain calcium and phosphorus in a balanced ratio and can be added on top of the diet. However, the total amount still matters. If your dog’s stool becomes very firm or turns white and crumbly, it is a sign that you are feeding too much bone and should reduce the amount.
How do I measure and mix small dosages?
The easiest way to do this is explained in this article. Watch the video for a step-by-step guide: {{ARTICLE:how-to-mix-supplements:How to mix supplements}}
Do I need to give all supplements in the same meal?
No. If your dog eats multiple meals per day, supplements can be divided between them. Some owners give everything in one meal, while others split it up. Do what works best for you!
Can I substitute one type of liver for another?
Occasional variation is fine, but consistently replacing the specified liver type in a recipe is not recommended. Different types of liver vary significantly in nutrient content. For instance, beef liver contains much more copper than chicken liver. If a recipe specifies a particular liver, it is to achieve the correct nutrient balance. Substitutions often require adjustments to other supplements.
Do supplements tolerate freezing or heating?
Most minerals, such as calcium and zinc, tolerate freezing and moderate heating well. Many vitamins, however, are heat-sensitive. A simple rule of thumb is that powdered supplements generally tolerate freezing and heating, while oils should be added fresh.
Raw vs. dried liver
Many people prefer using dried liver, but it is important to understand that dried liver is significantly more concentrated than raw liver. When moisture is removed during drying, nutrients become more concentrated—typically about 3–4 times. As a general rule, you should use approximately ¼ of the amount of dried liver compared to the raw weight specified in the recipe.