Can Apple Seeds Kill You?

3 red apples on white background

Can Apple Seeds Kill You?

  1. Are apple seeds really poisonous, or is it just a myth?
  2. What is Cyanide and Why is it Considered Dangerous?
  3. What is actual levels of cyanide found in apple seeds?
  4. What happens if someone accidentally swallows apple seeds while eating apples, and should they be concerned about cyanide poisoning?
  5. What are some other foods that contain natural sources of cyanide, and are they safe to consume?
  1. Apple seeds contain low levels of a compound called amygdalin, which is unlikely to be harmful when consumed in normal quantities.
  2. The human body has natural detoxification mechanisms to handle small amounts of cyanide from apple seeds.
  3. Other foods like cassava, bitter almonds, and certain stone fruits also contain natural sources of cyanide but are safe to eat in moderation.
  4. Breaking down amygdalin and releasing cyanide from apple seeds requires specific conditions and is not easily triggered during regular consumption.
  5. Accidentally swallowing apple seeds while eating apples is generally not harmful due to the protective coating and limited cyanide release.


Apples, with their crisp texture and delightful sweetness, have long been enjoyed as a healthy snack. However, hidden within the core lies a subject of controversy—the apple seeds. These tiny seeds have sparked debates and raised concerns about their alleged toxicity. Many have heard the claim that apple seeds contain a poisonous substance called cyanide, which can be lethal if ingested. 

But what is the truth behind this belief? In this blog, we will delve into the controversy surrounding apple seeds, exploring the facts and addressing the question: is there any truth to the belief that apple seeds can be deadly? Join us as we unravel the mysteries surrounding apple seeds and discover the reality behind their alleged toxicity.

Are Apple Seeds Really Poisonous?

one red apple

The notion that apple seeds are poisonous is a common misconception that requires clarification. While apple seeds do contain a compound called amygdalin, which can potentially release cyanide when metabolized, the levels present in apple seeds are typically not high enough to cause harm to the human body. In fact, apple seeds contain only trace amounts of amygdalin, making it highly unlikely for them to pose a significant toxic threat when consumed in normal quantities.

The Concern over Cyanide Content in Apple Seeds

While it is true that apple seeds contain amygdalin, a compound that can break down into cyanide, the concentration of amygdalin in apple seeds is generally not a cause for significant concern. The human body has natural detoxification mechanisms that can handle small amounts of cyanide, and the consumption of a few apple seeds is unlikely to result in toxic effects.

Nevertheless, it is important to note that the perception of cyanide toxicity varies based on individual sensitivity, overall health, and the cumulative effect of any potential exposure. Understanding the context and considering the scientific evidence can help us evaluate the actual level of concern regarding cyanide content in apple seeds.

sliced apple

By dispelling the myths and examining the facts surrounding apple seed toxicity, we can form a more informed perspective on the potential risks, if any, associated with the consumption of these seeds.

III. Understanding Cyanide and Its Risks

A. What is Cyanide and Why is it Considered Dangerous?

Cyanide is a highly toxic chemical compound that can be lethal to humans in high doses. It interferes with the body’s ability to use oxygen, inhibiting crucial enzymes involved in cellular respiration.

The resulting lack of oxygen can lead to serious health complications and even death. Due to its toxicity, cyanide is widely recognized as a dangerous substance that requires careful handling and precautions.

B. Natural Sources of Cyanide in Foods

While cyanide is a potentially harmful substance, it is important to note that there are natural sources of cyanide in certain foods. These foods, when consumed in moderation, do not pose a significant health risk. Some examples include:

Cassava Root Crops in Close-Up Photography

Cassava: Cassava, a root vegetable commonly found in tropical regions, contains cyanogenic glycosides that can release cyanide when metabolized. However, proper processing methods such as peeling, soaking, and cooking effectively reduce cyanide levels, making it safe for consumption.

Almonds: Bitter almonds, a variety of almonds, naturally contain amygdalin, a compound that can release cyanide. However, sweet almonds, the commonly consumed variety, have very low levels of amygdalin and are considered safe to eat.

Stone Fruits: Certain stone fruits like cherries, peaches, apricots, and plums also contain small amounts of amygdalin in their seeds. However, the consumption of the flesh of these fruits does not pose a risk of cyanide poisoning.

It is worth noting that the levels of cyanide in these natural sources are generally low and do not pose a significant threat to human health when consumed in typical amounts. 

IV. Cyanide Content in Apple Seeds

B. Amygdalin and its Relationship to Cyanide Release

Amygdalin is a natural compound found in various plants, including apple seeds. When apple seeds are chewed or crushed, enzymes in the body can break down amygdalin, resulting in the release of cyanide. However, it is important to note that this process requires specific conditions and is not easily triggered during normal consumption. The human digestive system is generally not capable of fully breaking down amygdalin, minimizing the release of cyanide.

C. Actual Levels of Cyanide Found in Apple Seeds

The cyanide content in apple seeds is relatively low and typically poses little risk to human health. On average, apple seeds contain around 0.6 to 2 milligrams of cyanide per gram of seeds. To put this into perspective, a typical apple may contain around 5 to 20 seeds, resulting in a cyanide content of approximately 1 to 10 milligrams in total. These levels are considered very low and do not pose a significant danger when consumed in moderation.

Apple with seeds

Furthermore, the human body has natural detoxification mechanisms, primarily the liver, which can process and eliminate small amounts of cyanide. In fact, the body can handle cyanide levels up to a certain threshold without adverse effects. As long as apple seeds are consumed in reasonable quantities, the body’s detoxification processes can effectively manage any potential cyanide release.

It is important to emphasize that consuming apple seeds in large amounts, such as consuming a large number of apples’ cores at once, could potentially lead to higher cyanide exposure. However, this scenario is highly unlikely in typical eating habits.

V. Quantity and Consumption Considerations

A. Number of Apple Seeds Required for a Potential Threat

To pose a potential threat, an exceptionally large quantity of apple seeds would need to be consumed. The cyanide content in apple seeds is relatively low, and the body’s natural detoxification mechanisms can handle minimal exposure. In general, it would take a significant ingestion of apple seeds, far beyond what would occur through normal consumption, to reach toxic levels of cyanide. It is highly unlikely for an individual to accidentally consume such a large quantity of apple seeds.

Apple placed with a sliced apple

B. Harmful Effects of Accidental Apple Seed Ingestion

Accidental ingestion of apple seeds during normal consumption of apples is generally not harmful. The seeds are often swallowed whole and pass through the digestive system without significant cyanide release. The protective coating of the seeds, along with the body’s limited ability to break down amygdalin, minimizes the exposure to cyanide. As long as apple seeds are consumed in small quantities, which is the typical scenario, there is no cause for concern.

Key Takeaways Regarding Apple Seed Toxicity

After exploring the topic of apple seed toxicity, several key takeaways emerge. Firstly, while apple seeds do contain amygdalin, a compound that can release cyanide, the levels present in apple seeds are generally low and pose minimal risk when consumed in normal quantities. 

The body’s natural detoxification mechanisms can handle small amounts of cyanide without adverse effects. Secondly, accidental ingestion of apple seeds during normal consumption is unlikely to be harmful, as the protective coating and limited breakdown of amygdalin reduce cyanide release. 

Finally, individual factors such as sensitivity, quantity of consumption, body weight, and overall health can influence the potential risks associated with apple seed consumption.


Do apples help with weight loss?

Apples can be a helpful addition to a weight loss or weight management plan. They are low in calories, high in fiber, and provide a satisfying crunch, which can help you feel fuller for longer. The fiber in apples can also aid digestion and promote a healthy gut. However, weight loss is a complex process that requires a balanced diet and an active lifestyle, so incorporating apples alone may not guarantee weight loss.

Are there different types of apples?

Yes, there are numerous varieties of apples available, each with its own unique taste, texture, and appearance. Common apple varieties include Granny Smith, Gala, Fuji, Honeycrisp, Golden Delicious, and Red Delicious. Some apples are better suited for eating fresh, while others are more commonly used for cooking or baking. Exploring different apple varieties can add variety and enjoyment to your meals and snacks.

How should apples be stored to keep them fresh?

To keep apples fresh, it’s important to store them properly. Apples should be stored in a cool, dry place away from direct sunlight. The ideal temperature for apple storage is around 32-40°F (0-4°C). If you have a large quantity of apples, you can store them in the refrigerator’s crisper drawer, which helps maintain their freshness. It’s also a good idea to store apples separately from other fruits and vegetables, as they release ethylene gas, which can accelerate the ripening of nearby produce.

What are the symptoms of apple seed poisoning?

If someone has ingested a large quantity of apple seeds, they may experience symptoms such as nausea, vomiting, abdominal pain, diarrhea, dizziness, headache, and confusion. These symptoms are typically associated with cyanide poisoning. If you suspect apple seed poisoning or observe these symptoms in yourself or someone else, it’s important to seek medical help immediately.

How can apple seed poisoning be treated?

If apple seed poisoning is suspected, medical professionals will evaluate the situation and determine the appropriate treatment based on the severity of symptoms and the amount of seeds ingested. Treatment may involve supportive measures such as inducing vomiting, administering activated charcoal to absorb toxins, providing intravenous fluids, and monitoring vital signs. It’s crucial to seek medical attention promptly if apple seed poisoning is suspected.

Scroll to Top