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Is It Safe To Use Niacin To Flush Out THC?



The internet is full of truths and lies. Think about it, A large percentage of knowledge you get from the internet is hearsay. Let’s say you have a drug test tomorrow, if you fail that drug test, either you will lose your job or the opportunity you were after. What is the first thing you’d do to avoid failing that test? My guess is, you’d turn to your search engine, read multiple ‘truths’, get an idea, and try it.

If you input “how to pass a drug test” into your search engine, the results you’ll get are 1,310,000 in 0.53 seconds. On some websites you will find multiple articles and videos showing or telling you how to use Niacin or other substances to pass urine tests.

Question, what is Niacin?

Niacin is a naturally occurring nutrient found in seeds, vegetables, meat and yeast; it was discovered back in 1930 and it is used to treat hypercholesterolemia.

Is It Safe To Use Niacin To Flush Out THC?

There is absolutely NO medical or scientific data indicating Niacin has any effect on a urine drug test. If used in low doses, niacin will lead to few adverse drug reactions, however if used in large doses it can lead to:

  • Flushing
  • Itching
  • Liver problems

The N2 dilution method

little girls gossiping

If you ask anyone who claims to have passed a drug test using Niacin, he or she will tell you that they diluted Niacin using the ‘N2 method’. What is the N2 method? The simple answer is, you drink cranberry juice and Niacin in the morning and before you go to bed for two to three days, the question is, does it work? Given enough time, it may work. THC is stored your body’s fat cells, after it is metabolized, it re-enters your blood stream and is absorbed into fats/lipids.

Niacin boosts levels of HDL cholesterol (good) and lowers triglycerides. It also lowers LDL cholesterol. Note that niacin is only effective in treating cholesterol at high doses. The issue is. If used in high doses, Niacin may pose risks to your health.

“Backwoods scientists” will tell you to use Niacin two to three times for a number of days before your drug test. That means that you will consume lots of Niacin. The amount of Niacin you should use depends on your age, weight, and overall health. For example, pregnant women only need 18 grams, if you use much more than you need the risks are:

  • Headaches
  • Dizziness
  • Nausea and vomiting
  • Allergic reactions
  • Increased blood sugar (diabetes)
  • Stomach ulcers
  • Aggravated gout symptoms
  • Heart problems
  • Dizziness
  • Skin rashes
  • Low blood pressure

Is Water Harmless

For Niacin to “flush” THC out of your system, you will have to use large doses combined with water or juice in a very short period of time. If you have pre-existing conditions such as diabetes, you may worsen the problem. If you don’t have a condition, you may create one. The aim of taking Niacin is to add minerals and color to urine, does it work? In large doses, maybe, however, there are risks to your health that you must think about.

There is also the issue of consuming excessive fluids in short periods of time. Water is harmless right? No its not, drinking too much water or any other fluid can result in a condition known as “water intoxication”. Water intoxication is a fatal condition because the huge amounts consumed upset the normal balance of electrolytes such as sodium in your body.

Read: 10 Pro Weed Politicians You Should Vote For

Are there safe ways to pass drug test?

i don't know

The simple answer is. It depends with what you are trying to get rid of. The best way to get THC out of your system is to give it time, if you don’t have the luxury of time there are a few methods that can help you pass a drug test.

In urine, THC is detectable for up to 72 hours after use or 12 weeks. If you are a habitual user, THC may be detected in blood, urine, and hair.

Note that if you use drugs like Dronabinol or if you have a kidney infection or diabetes, you may get false positive results.

Other drugs that may cause false positives are:

  • Ibuprofen
  • Ketoprofen
  • Promethazine
  • Riboflavin

Use someone else’s sample

The only hurdle you face here is, sneaking someone else’s urine into the testing room. In some situation the tester may remain in the room. There are some products that can make this option work.

It is up to you to pick the right one, I recommend “the urinator”

If you are using someone else’s urine, make sure that that person is ‘clean’.


Adding two ounces of ammonia to urine will alter it and cause negative tests. The tricky thing is to sneak ammonia into the testing facility and hide its smell. If you figure out how to do that the results will come out negative.


Many labs don’t test for UrinAid, UrinAid masks THC but it won’t mask cocaine or heroin.

Cannabis cheat sheet: single use

Blood test 2-3 days
Saliva test 12-24 hours
Urine test 2-3 days
Hair test Up to 90 days


Habitual cannabis use

Blood test 2 weeks
Saliva test 12-24 hours
Urine test 12 weeks


Generally, the best solution is time, if you know that you have a drug test coming up. Avoid using marijuana or any other drug until after the test, if you must use it keep the dosage low.

1 Comment

1 Comment

  1. try this

    May 10, 2018 at 10:04 am

    Wow! This can be one particular of the most beneficial blogs We have ever arrive across on this subject. Actually Great. I’m also an expert in this topic so I can understand your hard work.

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