When comparing NAD and NAC, you will find many similarities. Both affect brain health, for example. However, these health supplements also have their own effects. NAD supports detoxification, which can be useful in its own right, but it also supports cellular energy. When deciding which to use, look at the differences and similarities of both and choose what’s best from there. Let’s start by discussing NAC.
NAC, or N-acetyl cysteine, is an over-the-counter antioxidant that also has many other properties. It’s derived from amino acids. Specifically, it comes from the amino acid L-cysteine. Similarly to the acid it comes from, N-acetyl cysteine becomes the antioxidant glutathione when processed by your body. Antioxidants support your health by neutralizing harmful free radicals that otherwise wreak havoc on your cells.
N-acetyl cysteine does more than just this, though. Some of its other known functions include acting as a mycolytic and treating acetaminophen overdoses. When you take too much acetaminophen, also known as Tylenol, there is a buildup of a toxin called NAPQI in your body. This toxin can cause significant liver damage if left unchecked. Glutathione, which is created when the body processes NAC, deactivates this toxin and therefore protects your liver from this damage. This makes NAC supplements popular for those who seek to detoxify themselves.
The mycolytic effects may seem less interesting, but they are equally important. NAC also helps break up thick mucus, which is especially beneficial for people with lung diseases like chronic bronchitis or chronic obstructive pulmonary disease (COPD).
NAD is a coenzyme found in every single one of your cells. It works with NADH to move electrons back and forth, allowing your body to process the food you eat into energy. NAD also helps your cells repair themselves by supporting enzymes that repair the cell’s DNA. It also limits the formation of harmful byproducts produced when cells are under stress, leading to less cell damage.
One of the biggest reasons for the discussion of boosting your NAD levels comes from its anti-aging effects, or, more accurately, its healthy aging effects. As you age, your body uses more NAD to keep itself functioning, which reduces your NAD levels. This causes a wide range of problems, from increasing muscle weakness to cognitive decline and heart problems. Keeping your NAD levels high reduces the severity of these issues by allowing your cells to stay healthy and work at full efficiency. The result is that you are not only healthier overall, but you also feel healthier.
While there are some overlapping effects, NAC and NAD are very different from each other. When looking into NAC vs NAD, the first thing to note is their source. NAC is derived from an amino acid, meaning it’s a small piece of that acid. NAD, on the other hand, is a vital coenzyme.
The second consideration is the main function each plays. NAC is mainly prized for its detoxification effects. More specifically, it protects the liver from various harmful compounds by inactivating them. NAD is prized for its role in cellular energy production, which improves cellular metabolism and even helps boost athletic performance.
NAD has a wide range of effects and produces many powerful antioxidants. NAC’s scope in this area is much narrower, as it produces only glutathione. However, glutathione is the most potent antioxidant in your body, so you benefit greatly from increasing its levels.
As discussed, NAC’s main use is for detoxification, but it also helps treat some mental conditions. NAC regulates the amount of glutamate, the brain’s most important neurotransmitter, in your body. As a result, it has been shown to aid those suffering from OCD, schizophrenia, substance use disorder, depression, and more. NAD helps your brain by promoting healthy aging, which can improve cognitive function and even reduce brain fog. For a while, we thought this was all it really did for brain health. A recent study has shown an even bigger benefit, though. The study has shown that it may be possible to reverse Alzheimer’s. More research will be needed, but this is a promising breakthrough.
These comparisons are not here to tell you which of these two compounds is better for you. Both are vital to how your body functions, but boosting the levels of one might be more beneficial during certain times. For detoxification, consider NAC supplementation. For more energy, NAD supplements are the way to go. For overall health, keep both at a healthy level.
Before you decide to start taking supplements for either one, consult your doctor. This is especially true if you take medications, as both can interact with medicines and either slow their effects or have undesired side effects as a result. NAC acts as a blood thinner, meaning it can slow blood clotting. Not only does this mean that you should be careful with it if you take anticoagulants, but it also means that people whose blood naturally struggles to clot will need to be very careful with how much NAC they take. Pregnant women or breastfeeding mothers should talk with their healthcare professionals before even considering taking NAD or NAc supplements.
There’s no doubt about it: supplementing NAD or NAC can prove to be beneficial when done correctly. NAD can boost energy levels and promote healthy aging. NAC can aid in detoxification, support liver health, and boost your antioxidant levels. However, both have side effects that you need to watch for. When you start supplementation, begin with low doses and increase slowly. Make a journal that documents how much you took, when you took it, any other supplements or medications you had to take that day, and how you felt throughout the day. This will help you and your healthcare professional know when to stop taking the supplements or when to increase the dosage.
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