714 customer reviews
60 Vegetable Capsules
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PreToxx helps reduce hangover symptoms and supports liver function. Natural ingredients including milk thistle, prickly pear and cysteine work while you drink, helping to metabolize the toxins that cause hangover symptoms and to support a healthy liver.*

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Supplement Facts
Serving Size: 3 V-Capsules
Servings Per Container: 20
% Daily Value
Amount Per Serving
450 mg
Vitamin C (ascorbic acid)
105 mg
Vitamin B-1 (thiamin HCl)
48 mg
Vitamin B-6 (pyridoxine HCl)
240 mcg
Vitamin B-12 (cyanocobalamin)
48 mg
Calcium (amino acid chelate)
24 mg
Magnesium (amino acid chelate)
1560 mcg
Manganese (amino acid chelate)
60 mg
Chloride (sodium chloride)
35 mg
Sodium (sodium chloride)
24 mg
Potassium (amino acid chelate)
1110 mg
Liver Antioxidant Blend
N-Acetyl L-Cysteine (NAC), Prickly Pear Extract (NOPAL), Milk Thistle Extract
** Daily Value not established
Other Ingredients: Microcrystalline Cellulose, Rice Flour, Magnesium Stearate, Silicon Dioxide


  • N-Acetyl-L-Cysteine - NAC is a powerful antioxidant that helps boost your body's stores of glutathione, your liver's detoxifier that assists in breaking down alcohol.*
  • Prickly Pear Extract - Prickly pear extract helps relieve symptoms of nausea, dry mouth, and loss of appetite.*
  • Milk Thistle - Milk thistle helps protect the liver from toxins and supports its healthy function.*
  • B-Vitamins - Infused with B1 (Thiamine), B6, and B12. These water-soluble vitamins are important in metabolic processes and can be depleted during heavy alcohol consumption.*
  • Electrolyte Blend - A unique blend of calcium, magnesium, sodium chloride, potassium and manganese that replenishes the body with vital electrolytes lost during alcohol consumption.*


Take three (3) capsules before drinking with a glass of water. Repeat after drinking. To help support a healthy liver, take one (1) capsule daily.*

PreToxx will not prevent or affect alcohol intoxication. Inform your physician if you are being treated for any medical condition or are nursing. Keep out of reach of children. Do not drink and drive.

Reviews (714)

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I haven't had one hangover since starting the bottle a ... by Photo Savy on Jan 29, 2016 (Source: Amazon)

I haven't had one hangover since starting the bottle a few weeks ago. I drink once or twice a week out with friends and my hangovers are usually unpredictable and can be severe. I wake up sometimes with a slight headache but it lifts as soon as I get out of bed. I will definitely be repurchasing.*

I use it when I know I will be drinking ... by Andrew F. on Jan 25, 2016 (Source: Amazon)

I use it when I know I will be drinking "heavily," which is defined as three or more glasses in 4 hours. If you use as prescribed and drink a lot of water while drinking your hangovers will be greatly reduced or non existent.*

Works as can be expected. by Eztli on Jan 15, 2016 (Source: Amazon)

This is not a miracle cure, or I guess prevention. But if you indulge infrequently then it can make the morning and the day after tolerable, and productive. No, you're not going to wake up feeling like a million bucks, but maybe if you wanted that, you probably shouldn't have drunk in the first place. But you will wake up (at least in my experience) alert, headache free, and functional.*

It works, but dont expect a miracle by James T. Leach on Jan 8, 2016 (Source: Amazon)

When you use this stuff properly and take 3 pills before you drink and then 3 when you go to sleep the worst I've ever had is a slight headache. I have been tired some days after drinking too much, but in all honesty if I wouldn't have taken this at all I probably would have been laid up in bed that whole day instead of having just a slight headache. So don't expect a miracle but it does work.*

Works like a xharm by S P on Dec 27, 2015 (Source: Amazon)

Works like a charm. I tend not to mix drinks (i.e., switching between beer, liquor, wine) but I do go deep into rounds whenever I go out (typically 6+ - nothing to be proud of) and I never leave without these. They recommend 3 before and 3 after - I typically do 2 before, 2 during and 2 after. Not sure if that impacts the potency or effectiveness of it but I always feel great the next day. Been purchasing a bottle every month for a year+ now. (Again, nothing to be proud of).*

It does work by Krepack on Dec 25, 2015 (Source: Amazon)

It doesn't fully get rid of the hangover, but it definitely reduces hangover effects. I also buy prickly pear extract (though there already some of that in here) and I take two pills of pretoxx and one of prickly pear 1 hour before I drink with a large glass of water and then one pretoxx and one prickly pear after I get home, again with a large glass of water. If I have an amount of alcohol that would normally give me a terrible hangover, I usually end up with a mild hangover. And if I drink an amount that would usually give a mild hangover, I usually don't have a hangover at all.*

I'm in my late 30s and my hangovers have gotten increasingly worse. As long as I take a couple of ... by ESP on Dec 16, 2015 (Source: Amazon)

I really think this stuff works. I'm in my late 30s and my hangovers have gotten increasingly worse. As long as I take a couple of PreToxxes before drinking, drink some water, and be sure to eat a good dinner, my hangovers are much improved! I still have fogginess but no nausea or headache. I'm sold!*

It works for me! by Dr. J. Kenneth Cook on Dec 7, 2015 (Source: Amazon)

Definitely noticed that a night of drinking didn't hurt as bad the next day. :-)*

The best pills for hangover! by maximus on Nov 22, 2015 (Source: Amazon)

Before knowing about these pills, I used to get very bad hangovers. I would drink many, many bottles of beer and would come home throwing up several times during in the predawn hours. It was really bad! I'd take 2 pills of Tylenol before going to sleep but that didn't work. I would still wake up with an extremely bad headache. After reading all the reviews, I figured I would try it out an hour before drinking. I took 3 pills before and didn't feel drunk at all. Just a slight buzz. These pills were basically preventing me from getting drunk, while all my other friends were beyond drunk. I got home and took 3 pills and woke up the next day without any problems. No nausea, vomiting, or headache! Nothing! I even tried it out drinking liquor one night with tequila, and another night with vodka, and no hangover! These are pills are gold.*

I get hungover really easily but when I use PreToxx as directed on the ... by Ralphie on Nov 17, 2015 (Source: Amazon)

I get hungover really easily but when I use PreToxx as directed on the label, it works. It still helps even if not used as directed but, really, when used properly, this stuff is great. I never drink without it.*

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* Individual results may vary