Which Foods Contain Nicotine? A Quick Guide to Naturally Occurring Sources

Stefanie A.
Which Foods Contain Nicotine? A Quick Guide to Naturally Occurring Sources

Introduction

 

Many presume that “nicotine” is an exclusively synthesized substance found in commercial products. Yet, it is actually present in certain plants in small amounts. So, it is possible that you might be consuming nicotine without noticing it.

 

In this article, we elaborate on common foods with nicotine and how they compare to what’s usually present in nicotine pouches.

Understanding Nicotine in Foods 

Nicotine is a naturally occurring alkaloid that is mostly produced by plants that belong to the nightshade family. 

 

Tobacco is considered as the richest source of nicotine. It is utilized in the production of nicotine products such as cigarettes, cigars, and pipes. Tobacco is very prevalent in Asia and the Americas.

 

In our “daily” foods, nicotine is present in trace amounts. Nicotine can be found in vegetables in the Solanaceae family, such as tomatoes, eggplants, and potatoes. 

 

A 2016 study took samples of these vegetables, cleaned them carefully, and used gas chromatography and mass spectroscopy to identify the presence of nicotine.

 

Upon such methodology, it is determined that these vegetable samples contain nicotine in extremely trace amounts with negligible physiological effect on the body. In particular, most of these vegetables contain nanograms of nicotine per gram, not around 0.1% of a milligram. 

 

Furthermore, the reviewed evidence does not establish that if the vegetables are properly cooked, the cooking water will diffuse nicotine and result in lower nicotine absorption. Surveys have still detected nicotine in processed foods. 

Common Foods with Nicotine 

 

Eggplant

 

Eggplant is one of the vegetables with the largest amount of nicotine. This vegetable has approximately 100 nanograms of nicotine per gram in one older analysis; another analysis found none. 

 

A common but unreliable indication sometimes claimed for nicotine alkaloid presence in eggplant is the slight bitterness that it induces when you touch its juice. Taste cannot measure nicotine content. 

 

But do not worry. Even if eggplant has a lot of nicotine relative to other vegetables, its amount is still extremely low to cause any dangerous or even noticeable effect to the human body. Claims that you must consume around 10,000 eggplants at once to get the equivalent nicotine dose of one cigarette stick do not make a valid exposure comparison. 

 

Potatoes

 

Potatoes have small traces of nicotine (approximately 15 nanograms of nicotine per gram). The reviewed sources do not establish that those turning green usually contain three times as much nicotine (around 45 nanograms per gram). This is a trace dietary amount. Claims that you must consume about 15,000 potatoes in one sitting to get a similar nicotine dose as a cigarette do not make a valid exposure comparison.

 

Tomatoes

 

 

Tomatoes contain nicotine, but only in trace amounts measured in nanograms per gram; taste is not a reliable way to estimate that amount. As with other nightshade plants, tomatoes also have trace amounts of nicotine, usually reported around 2–10 µg/kg (2–10 ng/g), so a 100-gram tomato contains about 0.2–1.0 µg. This amount has no significant physiological effect at ordinary dietary exposure; claims that it will take 9 kilograms of tomatoes ingested at once to get the amount of nicotine present in a cigarette stick do not make a valid exposure comparison.

 

Unripe tomatoes generally have a higher concentration of nicotine. But this amount decreases as they mature. 

 

Cauliflower

Source: https://www.pexels.com/photo/bunched-of-cauliflower-on-hand-6065185/ 

 

Cauliflower is not a nightshade plant, but it contains small amounts of nicotine. Every gram of cauliflower contains around 16.8 ng of nicotine. This is a trace dietary amount.

 

Claims that you must consume at least 4 kilograms of cauliflower to obtain the amount of nicotine present in a cigarette stick do not make a valid exposure comparison.

 

Spinach

As with cauliflower, spinach is not a nightshade plant. But the reviewed sources do not establish that its leaves contain higher amounts of nicotine compared to nightshade plants or that, on average, spinach contains around 19.8 micrograms per gram. No numeric estimate is given here. Foods reported with trace nicotine include tomatoes, potatoes, eggplants, cauliflower, peppers, and tea.

 

Cashew Nut

 

The reviewed sources do not establish that many nuts contain trace amounts of nicotine or that cashews are one with the highest concentration, averaging 5.2 micrograms per gram. Claims that it will take at least 2000 cashews to get an equivalent nicotine dose in a cigarette stick do not make a valid exposure comparison.

Vegetables with Nicotine: The Nightshade Connection 

The nicotine found in plants (particularly nightshades) is a natural protective barrier against insects, pests, and some munchers. As with a neurotoxin or pesticide, it repels insects. Depending on species and concentration, insects may prefer to feed on nicotine-free plants rather than those with little nicotine present.

 

But why do nightshade plants have higher nicotine content than other plants?



Plant roots have pyridine and pyrrolidine compounds. When these two bond, they form nicotine. 

This new compound is then transported into leaves. Due to genetic duplication (a process by which a region of DNA coding for a gene is duplicated or copied), the nicotine content in nightshade plants tends to get higher.

 

But note that some plants have nicotine content not because of their biology, but because of environmental exposure. For instance, mushrooms and lettuce, which do not belong to the nightshade family, may show nicotine because they can absorb residual substances from the environment. For instance, nicotine can enter the soil from the decomposition of tobacco plant waste or from discarded cigarette butts. Mushrooms and lettuce can absorb these residual amounts via their roots.

How This Differs from Nicotine Pouches

Unlike in vegetables, the nicotine in pouches is listed in measured amounts per pouch and absorbed through the gums and lining of the mouth.  

Natural Trace Nicotine vs. Purified Nicotine

Again, nicotine in edible plants comes in trace amounts associated with very low ordinary dietary exposure. On the other hand, nicotine pouches are made with extracted, purified, and processed nicotine for oral nicotine delivery. Nicotine is addictive. 

 

For instance, the zar 3mg line contains purified and standardized nicotine, unlike the naturally occurring substance found in nightshade plants. It is designed with a burst of unique flavors (such as citrus, cola, spearmint, and wintergreen). With a labeled nicotine content of 3 milligrams per pouch, the label does not guarantee rapid absorption, a quick effect boost, or the amount absorbed by an individual user.

Why Precision Matters

Nicotine pouches,  zar 6mg and 16mg pouches, can list a consistent labeled amount that natural plants cannot provide. Manufacturers design each pouch to contain a fixed, measurable content. Actual delivery can vary by formulation and use. 

 

With every use, the label states an exact amount of nicotine for careful tracking of labeled content, not the amount absorbed. This formulation does not guarantee a repeatable and familiar sensation; experience varies by formulation and use, and nicotine is addictive.

The zar Approach to Clean Design

ZAR describes its formulation as featuring a discreet, smoke-free, and measured experience, and says the pouch leaves no stain or mess. These are brand descriptions, not guarantees about nicotine delivery or individual experience.

 

Furthermore, zar uplevels its nicotine pouches with DuraPress (ZAR's name for its pouch format), not a guarantee of a fast and powerful boost. The pouches also feature an ultra-thin leaf design; neither description guarantees absorption speed or effect.

 

Foods With Nicotine: Do They Have Any Effect?

For most people, dietary nicotine makes only a minimal contribution to serum cotinine measurements. Ordinary dietary exposure is far below the nicotine amounts delivered by tobacco smoke or nicotine products. Nicotine from our everyday plants comes in trace amounts with extremely little effect on one's physical and mental state. In ordinary dietary amounts, these natural sources of nicotine are not expected to produce a noticeable nicotine experience.

 

Adults who already use nicotine and choose a pouch should follow the product label; people who do not use nicotine should not start with zar nicotine pouches. ZAR says, “We offer remarkable and discreet nicotine hits that will keep you ready for the next adventure.” Individual experiences vary. Shop zar today.

 

Frequently Asked Questions

What Food has the Highest Nicotine?

Eggplants are sometimes listed among the foods with the highest nicotine amount (around 100 nanograms per gram in one older analysis). However, another analysis found no detectable nicotine, so there is no dependable universal ranking. Even though this reported amount is considerably higher than that of some other plants, the concentration is still a trace dietary amount.

What is Nicotine Naturally Found In?

Nicotine is mostly found in tobacco plants and other members of the nightshade family. For instance, eggplant, tomato, and potato are some of the plants that contain nicotine.

What Drink Has Nicotine In It?

Nicotine is not usually present in the majority of commercial drinks. However, plant juices like that of tomatoes might have a very small amount of nicotine. Some analyses have detected trace nicotine in tea; results vary by tea type and preparation.