Top 5 Deadliest Substances in the World

Top 5 Deadliest Substances in the World

What are some of the deadliest substances known to human and can kill a man even before he screams? We run down the list of the Top 5 Deadliest Substances in the World and make sure you don’t get anywhere near them. The list will includes:.


Arsenic is the crystalline metalloid  that occurs naturally making up about 0.000.15% of the earth crust. It is found at no.33 on the period table and its termed as the classic king of poison. Compounds of arsenic have been used in medicines for 100’s of years in treatment of:

  • Ulcers
  • As Sedatives
  • As Antiseptics
  • Curing Syphilis

But arsenic is not called the king of poison because of its healing abilities, a little does of about 200mg will show up in a matter of 30 minutes.Giving you a metallic taste in your mouth, followed by extreme vomiting,  seizure and finally within a couple of hours-Death.


This garden plant toxin was discovered William Withering in 1775. Digoxin is a product of Foxglove flowers, a purple trumpet shaped that can be found in backyards. This plant contain a compound named: Cardiac Glycoside Digoxin, a steroid bounded to a sugar.

Top 5 Deadliest Substances in the World

Once in the blood stream, digoxin interferes with the electrical signals in the heart causing it to slow and eventually stops. Before this happen you get stomach pains, headache and a short lived increased in heart rate as the body tries to respond to the lack of oxygen and hallucination sets in.


Discovered in 1898 by Marie Currie the famous physicist and chemist and after many years of working with polonium unsurprisingly died slowed of radiation from polonium.

Read Also:  Health Risk of using Tramadol in Pain Relive

Although polonium-210 can be found in soil, the atmosphere and even a trace amount can be found in our body system it is still incredibly dangerous. A single micro-gram, the size of a spec of dust is enough to deliver a deadly dose of radiation if swallowed. Polonium is colorless, tasteless and undetectable by Gauger Muller counter, it has been described as the perfect poison.

Once inside the body, polonium quickly gets into the Spleen, the Liver, Kidney and bone marrows resulting in hair loss, vomiting and diarrhea. There is no cure for it and death comes in a matter of days.

Top 5 Deadliest Substances in the World


Tetrodotoxin (TTS) is a neuro-toxin often found in – the Pufferfish, blue ringed octopus, angelfish, polyclad flatworms, moon snails, xanthid crabs, starfish and a bunch pf other deadly species that don’t want to be eaten.

The toxin is the last line of defense for the pufferfish if a predator does manage them, they release the TTS often found in the Liver and ovaries and poison themselves to death. It is these poisonous organs that made them so dangerous to prepare for human.

If a chef gets to ignore these organs and it gets into the body, then the lips and tongue will begin to burn and the mouth will erupt with saliva and the individual get sweaty.

Speaking becomes difficult, swallow and seizure will begin then the body will slowly shutdown and you will be unable to move. Death comes in a matter of about six hours of symptoms and there is no antidote.

Read Also:  Abdominal obesity and your health


This is the most acutely lethal toxin in the world, found in the bacteria clostridium botulinum and first recognized and isolated in 1895 by Emile Van Ermengem after about 34 persons were infected with botulism .

Top 5 Deadliest Substances in the World

And this is the stuff celebrities inject in their faces in the form of botox treatment to temporarily improve the appearance of both moderate to severe frown lines between the brows and crow’s feet in adults.

Although the volume injected is in meniscus quantity but its still dangerous and life threatening procedure. In 1987 the modern Botox industry was born , an injection of about 2 billionth of a gram (

2.0 × 10-9 grams) directly into the blood stream is enough to kill average adult by inhibiting the signal between synapses, paralyzing vital organs and causing respiratory failure.
Did you know? just 2kg of the toxin will be enough to wipe out the entire population of earth.
So now you know the five (5) of the deadliest poison known to man, but if you think we forget to list any, kindly email us:
Join the discussion, be part of the healthy living forum: Click, Join & Discover More
Submit your original articles to:



Hits: 334

Written By
More from HealthCabal

6 Different Ways to Detect Ovulation

Ovulation symptoms aren’t difficult to notice. Once you know what to look...
Read More