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ZMA Side Effects

The Side Effects of ZMA

ZMA is becoming increasingly popular as a testosterone and muscle building supplement. But what harm is doing to your body? Let’s examine ZMA side effects by going through each ingredient: zinc, magnesium aspartate, and vitamin B6.

Zinc Side Effects

In studies examining zinc’s effects on the common the cold there are reports of unpleasant taste, abdominal cramping, and taste distortion.[1] Other common zinc side effects include:

  • Nausea
  • Vomiting
  • Diarrhea
  • Reduced HDL cholesterol[1]

Additionally, zinc toxicity from excessive zinc intake (150-450 mg per day) can cause chronic effects such as low copper status, altered iron function, and reduced immune function.[2]

Furthermore, zinc nasal sprays are considered controversial. According to some experts, zinc nasal sprays reduce cold symptoms, but other studies suggest it has no positive effect and may worsen existing conditions.[3]

Magnesium Aspartate Side Effects

Common side effects resulting from excessive magnesium intake (more than 350 mg per day) include nausea and abdominal cramping.[4] Rare side effects from magnesium toxicity include:

  • Dizziness or fainting
  • Flushing
  • Muscle paralysis
  • Troubled breathing[5]

Those with diminished kidney function are at a higher risk for magnesium toxicity, as kidneys filter excess magnesium.[6] Magnesium toxicity also contributes to hypotension, lethargy, confusion, and disturbances in normal cardiac rhythm.[6]

Vitamin B6 Side Effects

The tolerable upper safe limit for vitamin B6 is 100 mg daily for adults.[7] Avoid taking more than 200 mg vitamin B6 daily to reduce side effect risk.[8]

Reported effects from excessive vitamin B6 ingestion include:

  • Arrythmia (abnormal heart rhythm)
  • Skin reactions
  • Gastrointestinal effects (nausea, vomiting, abdominal pain)
  • Persistent bleeding
  • Decreased serum folic acid levels[8]

Additional vitamin B6 side effects include lower blood pressure, increased bleeding risk, and lowered blood sugar levels.[8]

Some people are particularly sensitive to vitamin B6, and experience adverse effects even at low dosages.[8] However, this allergic reaction is uncommon.

Anecdotal Side Effects

Now that we know each of ZMA’s components risks, it’s time to look at ZMA as a whole.

According to Barbie Brosohart, RD and nutritional counselor, ZMA supplements are generally considered safe, and most successful ZMA products have 11 mg vitamin B6, 450 mg magnesium, and 30 mg zinc.[9] So, they typically fall under the safe and tolerable recommended amounts.

While ZMA has not been fully tested for safety, anecdotal evidence suggests ZMA poses minimal side effect risks.

Some users experience vivid dreams, fevers, and headaches when taking ZMA products, however, and these examples are provided here:

“I am deployed to Africa and I we take a weekly Malaria pill called Mefloquine. It can give you vivid dreams if taken near when you go to to sleep, but when combined with ZMA max every night I had multiple very real feeling dreams. It did make me sleepy, but the dreams are vivid and they interfere with nice relaxing sleep.” –kyle (Amazon Verified Purchase)

“I did not have a good result with this product. I added it into my regimen at a half-dose and immediately began experiencing fever headaches and fatigue that would last for days. I stopped taking it, and the headaches went away after a day or two. I waited a little bit, then began taking it again. Same deal. Fever headaches, poor sleep, and fatigue. I tried to be fair to the product, so I cycled it again with the same result. Flushed the rest of the bottle. I had read some info on BB forums before taking that listed headaches, nausea, and fatigue as side effects of a zinc overdose. I don’t know if that was the case here (though I do take a mutli containing zinc). Either way, be sure to research before taking.”-BYEDYOO (Bodybuilding.com)

While these effects are uncommon and could be related to the particular products users were taking, it’s important to exercise caution before consuming any ZMA supplement.

    References

    Leave a Comment

    Comments (20)

    johnny

    April 8, 2014

    zma

    I noticed that when I take zma I have irregular breathing for about two hours .has anyone else experienced this feeling?

    Reply

    Johnny, yes I have taken ZMA town nights in a row now and my heart has been racing...almost like a caffeine rush. Do not love this feeling when taken before bed as recommended.

    November 5, 2014

    ZMA side effects

    Do not think I will continue taking this supplement. Not comfortable with the way I feel about 20 minutes after taking it.

    Reply

    Joseph Navarre

    March 15, 2015

    ZMA usage

    I’ve been taking this supplement for 15 years. I’ve never had any issues like the comments posted above… I highly recommend it. It will give you intense dreams though.

    Reply

    Thess

    April 22, 2015

    Feels... gross.

    I take ZMA in the norm dose from a good brand.
    B6 10.5mg
    Mag 450mg
    zinc 30mg
    Im good for about 30minutes then the whole world feels almost “softer”;
    but in a disturbing way, not how it sounds – this includes vision and breathing.
    and i get tired, and more tired till i sleep.
    Im “aware” of my heart beat the whole time, its not confortable.

    will try a lower dose for tormorow.

    It does NOT feel good to take ZMA

    Reply

    Mike Bav

    July 10, 2015

    ZMA Side Effects

    I just started taking this supplement; http://www.amazon.com/Cellucor-ZMA-Capsules-120-Count/dp/B00ARJQQTS and I haven’t really had any side effects yet besides some good sleep, I take it right before bed and I feel fine when I wake up.

    Reply

    Mjohns

    August 21, 2015

    Next day feel groggy and general slowness

    I started taking it at the beginning of the week and by Wednesday, I thought I was coming down with the Flu. I have morning headaches up the back of my head, cannot concentrate at work,feel groggy and generally not well, like a low level flu or cold that never quite gets going.

    Killed motivation and ability to read/ study or concentrate for longer than 5 mins.

    Friday now and stopping taking it to see what happens over the weekend.

    Sleeping from 930 to 630 no problem and feeling like I could do another hour or 2.

    Reply

    Bree

    September 24, 2015

    So tired

    I’m exhausted, started taking it Sunday by Wednesday night I was so tired I fell asleep on the couch. Woke up after 10 hours of sleep and I’m still kinda dizzy with sleep. Started doing research since the zma is the only thing I’ve changed in the past week. Guess I’ll change the dose and see what happens, otherwise it’s going in the trash.

    Reply

    AnoNymous

    October 12, 2015

    No problem

    Standard formulation, 10.5mg vitamin B, 450mg magnesium, 30mg zinc. I don’t usually sleep well, so as a student, this stuff is a godsend. I’ve been taking it before bed for a few weeks now, and the only thing even close to any of the described symptoms has been a very mild drowsiness, just enough to get me asleep.

    That said, even that drowsiness might be better described as “lack of insomnia”. For most of my life it’s taken me anywhere from a half to multiple hours to get to sleep; I wouldn’t know a normal sleep pattern if it hit me in the face screaming “I am a normal sleep pattern”. I started taking this stuff mainly because I saw that insomnia and loss of appetite were symptoms of magnesium deficiency, which I worried might be affecting my workouts; I’m happy to report that my appetite is up, and that if my recent exams are any indication, I really am learning better (poor ability to learn is another side effect). No vivid dreams; and if anything, the reduced stress due to better sleep has left me feeling more alert during the day. My best guess is that I really was deficient and that my supplementation is acceptable for my situation, though I will certainly keep in mind the fact that I’m going above daily recommended limits; I’ll keep it in mind if I suddenly start losing my bowels.

    Reply

    vijay bajaj

    November 6, 2015

    severe abdomen pain

    i started seven days ago but suddenly accedity problem started which i never use to have before and as a result severe abdomen pain whole day. i stopped immidiately and i dont think i wud reccomend this to anybody….

    Reply

    Mineral levels becoming dangerously high

    November 7, 2015

    eat.train@live.com

    I’ve been taking zma for over a year with the advice that you can’t overdose on magnesium, so took other Mag supps as well. Well… After developing sensitivity to food colourings E171 and E172 which are made from iron and titanium I got my bloods checked. My mineral levels were dangerously high. My symptoms were raised body temp, raised heart rate, hives and insomnia. New symptoms include stomach cramping and nausea. This could be a run up to hypermagnesemia which is life threatening. It’s safe to say I’ve stopped all supps. Amino acids can also attribute to this condition so I’ve even cut those out and protein powder.

    Reply

    gabriel

    December 7, 2015

    magnesium contradiction

    It says more than 350mg of magnesium is excessive and could cause negative side effects, but then it goes on to say the best dose is 450mg and that falls into the safe dose ?. That kind of rubbished the whole article with that discrepancy for me. My zma has 370mg and I think that is the cause of my frequent toilet visits

    Reply

    Adolfo

    April 28, 2016

    What's in it

    I only took this product 3 times in 3 weeks, I decided to take the girl does with only 2 capsules and every time I took it I felt drowsiness and a huge stomachache that would keep me awake the whole night the 3rd time I took the product I took 2 capsules and fell asleep in 2 hours I woke up because I felt horrible I felt like vomiting and felt really weak, and then I passed out cold hitting my head on the edge of my bed busting my upper lip. It was horrible I do not recommend this product to anyone

    Reply

    Bud

    August 30, 2016

    Restful, deep sleep; wild dreams

    I’ve been taking SNAP ZMA for about three months now, with good results. I do feel that the deep sleep I get results in better recovery from lifting. The dreams have been rather entertaining, definitely vivid and I remember them upon waking. I had one last week where I was lying across Kim Kardashian’s and her sisters’ laps, and they were using my body as a desk, complete with stapler, tape dispenser, etc., on my back. Early this morning I dreamt that I was standing on a balcony in New Orleans, and the cast from Designing Women were below on the street playing musical instruments. A drag queen was on the balcony to my left, jumping up and down yelling something (I can’t remember what it was). Not one of those polished drag queens; one of those busted, booger queens. Then my alarm went off.

    Reply

    Edward R.

    September 10, 2016

    You're all taking Far Too Much

    An old article but I’m leaving this comment for whomever may stumble upon it.

    As with anything, it pays to do your research prior to purchasing and taking a product. The people above are taking Far too high a dose. If a supplement tells you to take a dosage, always take half and build to the recommended amount, this goes for everything!

    If I consume a certain level of ZMA then I will get exactly what is reported in the other testimonials. If you consume a certain level, the same will happen. What’s a “certain level”? It depends entirely on the person!

    ZMA has some very good benefits for those on a fitness regime but it is not for everyone. It must be stated, however, that almost anyone can use it, provided they are using the appropriate dosage. I will continue to use it sensibly.

    Reply

      December 14, 2016

      right!

      Yes, i started taking 3 pill as descrive in the bottle… but i felt all those side effets. So i am moving takig one pill only and see if there is improvements. if not the bottle goes to the trash.

    Johann

    November 3, 2016

    Not For The Cosmetic Lifter

    Guys, if your not an athlete you don’t need to be taking this. These formulas are designed for people who push their bodies to the limits and loose a lot of minerals and electrolytes along the way. It is not designed to be taken by someone with an office job who just does an hour a day at the gym getting a “pump”. To take these supplements, you must be training hard enough that you are loosing these vitamins and minerals before you replace them.

    Reply

    Dustjunky

    November 25, 2016

    Very good product

    I’ve been taking this for a month and will def be ordering more ….I sleep better …feel more energetic…and my moods have got better …maybe it doesn’t agree with everyone but it seems to work for me

    Reply

    Walter

    January 9, 2017

    Works for me

    I’ve been taking ZMA for about two months and am finally getting some sleep. As a prostrate cancer survivor I suffered from numerous visits to the bathroom at night waking 3 to 4 times. ZMA has lowerd my trips to one time per night. I have noticed the vivid dreams but at least I get to sleep 4 to 5 hours before waking. I work out 6 days a week and welcome the recovery time.

    Reply

    Guy

    February 15, 2017

    Angry

    I became so angry my wife and children wanted to walk out on me. This was within 2 weeks of taking 1 tablet a day.
    My advice is don’t take them.

    Reply
    Your comment is awaiting moderation.

    Rod

    March 11, 2017

    nervous

    I’m an avid weight lifter and healthy dieter. I’ve been taking these ZMA pills for about two weeks on an empty stomach before bed time and all they have done for me is make me feel confused, tired and unable to sleep well. Just tonight I started getting neck spasms, couldn’t sleep, confused, and so I decided to dump the rest of those pills in the toilet.

    Reply

    Mike

    June 20, 2017

    curious

    should women take zma supplements?

    Reply
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