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Doctor insights on: Pre Workout Supplement Side Effects

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I just purchased the pre-workout supplement "c4 extreme" and i was wondering if it has any side effects that I should be aware of? Thanks in advance.

I just purchased the pre-workout supplement "c4 extreme" and i was wondering if it has any side effects that I should be aware of? Thanks in advance.

Yes side effects: Read huffington post article about high school athletes requiring surgery for compartment syndrome. Look at ingredients of C4 extreme, if you do not understand the ingredients then avoid them. Make sure your parents aware of this supplement and ask if any family members have high blood pressure or sudden death. Please avoid taking this supplement. ...Read more

Dr. Randy Baker
2,061 doctors shared insights

Supplements (Definition)

A dietary supplement, also known as food supplement or nutritional supplement, is a preparation intended to supplement the diet and provide nutrients, such as vitamins, minerals, fiber, fatty acids, or amino acids, that may be missing or may not be consumed in sufficient quantities in a person's diet. Some countries define dietary supplements as foods, while ...Read more


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I recently bought the pre=workout supplement by Force Factor called VolcaNo. Is there any side effects or health risks I should be aware of?

I recently bought the pre=workout supplement by Force Factor called VolcaNo.  Is there any side effects or health risks I should be aware of?

Avoid use: Supplements are not regulated by the FDA, allowing unsafe products, contaminated, and ineffective products to flood our markets and harm otherwise healthy patients. AVOID, AVOID, AVOID http://www.accessdata.fda.gov/scripts/sda/sdNavigation.cfm?filter=Volcano&sortColumn=&sd=tainted_supplements_cder&page=1&displayAll=false ...Read more

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I want to know if there are any side effects in using pre-workout , green coffee extract and fat burner supplements ?

I want to know if there are any side effects in using pre-workout    , green coffee extract  and fat burner supplements ?

Yes: It depends on the make up of the fat burner supplement. Many over the counter weight loss supplements have stimulants in them. If taken in excess, they can cause palpitations, trouble sleeping, nervousness, etc... I generally do not recommend supplements to lose weight as most are unproven and the best way to lose weight and stay healthy is just plain diet and exercise in moderation. ...Read more

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What are the side effects of C4 pre workout?

What are the side effects of C4 pre workout?

C-4 the plastic' or-: C-4 of the cervical spine? Hard to answer this but C-4 will give U an explosive workout! ...Read more

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Which protein supplement is better for me.Myofusion or bsn syntha6 isolate.-- side effects as hep b patient.I workout 5-6 days a week.

Which protein supplement is better for me.Myofusion or bsn syntha6 isolate.-- side effects as hep b patient.I workout 5-6 days a week.

Refer to answer: Most important for body is good fat not protein. Can buy frezeil over the counter, small amount of magnisium 250 mg/day.Defanetly no gmo food. ...Read more

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What happens if one is not a body builder and doesn't plan to be, are supplements a good way to build body muscle without side effects?

What happens if one is not a body builder and doesn't plan to be, are supplements a good way to build body muscle without side effects?

No: Supplements marketed to body builders must be used with a strict diet and a large amount of exercise. You must do the work or you won't see any increases in your muscles. ...Read more

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Can you tell me if one is not a body builder and doesn't plan to be, are supplements a good way to build body muscle without side effects?

Can you tell me if one is not a body builder and doesn't plan to be, are supplements a good way to build body muscle without side effects?

Not recommended : Supplements can be useful if you are an experienced bodybuilder on a very strict diet to insure adequate critical nutrients. A sound balanced diet and regular aerobic exercise such as jogging, swimming or cycling together with upper body machines using moderate weights - 100 lbs. (45.3 kgm) or less three times a week will quickly put you in great shape. No food is a substitute for doing the work. ...Read more

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Hey doctor! I don't know if this is a good question or nt, but is there any side effects for supplements and nutrition if I use them as structured? Thank you!

Hey doctor! I don't know if this is a good question or nt, but is there any side effects for supplements and nutrition if I use them as structured? Thank you!

Not enough info: I'm sorry, but from your message i don't know what supplements or nutrition you're asking about.-- or what you mean by "use them as structured." there are all kinds of supplements, with all kinds of variable effects. If you can share a little more specifics, we can try to help. Thanks. ...Read more

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Which type of side effects do growth supplements have?

Depends: It depends on what " growth supplement" means. If it' s synthetic human growth hormone it can cause rare adverse effects like increased pressure in the head, higher blood sugar, carpal tunnel syndrome, worsening scoliosis. ...Read more

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What's a good pre-workout supplement for strength and stamina?

What's a good pre-workout supplement for strength and stamina?

Carbs: Carbohydrates provide the energy needed for both strength and stamina during your workout. ...Read more

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Hi is taking whey supplement detrimental to health? Or are there any serious side effects?

Hi is taking whey supplement detrimental to health? Or are there any serious side effects?

Whey protein is: fine if it is made from organic or free-range cow milk. If not, it can contain hormones, antibiotics, etc. Peace and good health. ...Read more

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Side effects of calcium supplement?

Side effects of calcium supplement?

Multiple: The body needs calcium to maintain strong bones. However, supplemental calcium can also contribute to calcification of arteries which can lead to strokes and heart attacks. Speak to your physician about how to best meet your calcium needs without increasing your risks. Natural sources of calcium are usually the safest. ...Read more

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Is the pre-workout supplement C4 bad for you?

Is the pre-workout supplement C4 bad for you?

C4 pre work out: The main ingredient is creatine, which is not in itself harmful; it also contains caffeine and yohimbe, which can energize and promote tachycardia; other ingredients are generally safe ----- overall, is a safe product - don't overuse it or overdose - not safe then ...Read more

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Does Ayurvedic supplements have side effects?

Does Ayurvedic supplements have side effects?

Yes, of course: All supplements and all medications may cause side effects in some people some of the time. Supplements that have more side effects may cause problems in many people. Anything used as a supplement or medication that hasn't been scientifically well-tested may cause both uncertain amounts of desired effects and also unexpected side effects. ...Read more

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What are the side-effects of Dietary supplements?

What are the side-effects of Dietary supplements?

Adverse effects: When consumed in high enough amounts, for a long enough time, or in combination with certain other substances, all chemicals can be toxic, including nutrients, plant components, and other biologically active ingredients. (Official US Government FDA website, accessed Oct. 2011
The worst offenders of supplement contamination cases are found among weight loss and sexual enhancement products, and sports enhancement and body building supplements (News & Events -Press Announcements, Dec. 15, 2010, from Official US Government FDA website, accessed Feb. 2011; Cohen, et al., 2014).
Although herbs and botanicals oftentimes do contain essential nutrients for human life -such as vitamins, minerals, and amino acids- they do consists of many other non-essential constituents, frequently in dominant ways.
Because of the presence of numerous plant components which are “foreign” to the human physiology, herbs, in general, tend to be less safe than vitamins and minerals for instance. The official data corroborates that herbs and botanicals tend to generate the most adverse effects of dietary supplements (American Association of Poison Control Centers, 1983-2008; GAO, 2009).
The herbs kava and lobelia have a high risk of causing dietary supplement side effects, including -at large doses- coma and death, which prompted a number of countries (but not the USA) to ban their sale (GAO, 2009). Yohimbe has caused some deaths, ginseng too has been implicated with deaths (American Association of Poison Control Centers, 1983-2008), and ma huang (ephedra) has been banned by the FDA in 2004 after a few people had died.

In many or even most of these case, however, the herbs had not been used as indicated, or as traditionally recommended. Ma huang, for example, has been used safely for thousands of years in Chinese medicine, primarily for respiratory afflictions such as asthma, or congestive issues due to the common cold. In the cases of death involving the herb it was inappropriately used for weight loss and as a stimulant to improve athletic performance, frequently as a highly concentrated extract rather than in the form and at the safety platform of a whole herb, as traditional application suggests. (Weight loss pills frequently contain concentrated botanical extracts that may pose a serious danger
This means that the relatively few cases where people experience negative effects of dietary supplements are almost always tied to products compromised in quality, or improper product use.
drug-nutrient interactions tend to get underreported and minimized. According to information and data retrieved from research, nutritional supplement-drug interactions are most commonly encountered with herbs and botanicals
Other examples. Calcium can lower the absorption of the antibiotic tetracycline, reducing the drug's therapeutic potential. Excessive vitamin A can cause liver damage, Excessive vitamin D can cause kidney stones and calcifications.
kava and valerian act as sedatives and can increase the effects of anesthetics and other medications used during surgery.” (Official US Government FDA website, accessed Oct. 2011)

Typical herbal or botanical offenders that have been identified are Ginkgo biloba, St. John's Wort, valerian, kava, garlic, saw palmetto, ginseng, ginger, willow, and fenugreek
St. John's Wort can increase serotonin levels excessively when combined with certain anti-depressants, such as selective serotonin re-uptake inhibitors (Peng, et al., 2004). It can also adversely interact with blood-thinning medications and other cardiovascular drugs. Because Ginkgo biloba has an anticoagulant or blood-thinning effect (decreases platelet aggregation), it could lead to adverse events of increased bleeding when combined with blood-thinning drugs. Ginseng, garlic, vitamin E also have slight anticoagulant effects.
The majority of health supplement-drug interactions are of low relevance. To increase your likelihood of safety utilizing herbals there are certain common sense rules.
1. Listen to your advisor carefully and provide full disclosure of any drugs you take (over the counter as well)
2. Share with your physician or dentist all vitamins and herbal information.
3. More is not better follow the rules.
4. Watch out for discounted vitamins. Buy a high quality name brand since the FDA does not regulate the supplement industry and only steps in with serious side effects or deaths.
If you compare this to the facts about drug-drug interactions you can clearly see the obvious truth about dietary supplements and drug interactions are uncommon. (rather than the misleading anti-supplement propaganda).
Stevan Cordas DO MPH
Associate Clinical Professor UNTHSC TCOM Fort Worth ...Read more

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What are the side effects of taking iron supplements?

What are the side effects of taking iron supplements?

Mostly GI Distress: Side effects from taking iron supplements are most often diarrhea or constipation and epigastric abdominal discomfort. Taken after a meal, side effects decrease, but there is an increased risk of interaction with other substances. Black stools are not uncommon, but harmless. Liquid form can discolor the teeth and intramuscular injections can be painful and leave a brown discoloration. ...Read more

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What are potential side effects of dietary supplements?

What are potential side effects of dietary supplements?

Perhaps Serious: Depending upon the supplement, heart trouble, hypertension, strokes, and kidney trouble. Good diet should eliminate the need for dietary supplements in otherwise healthy people.And if not healthy, talk to your doctor. ...Read more

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Are there any side effects to taking a calcium supplement?

Are there any side effects to taking a calcium supplement?

Depends: No serious side effects if taken as directed. If too much, can cause high calcium level in the blood and subsequently urine, kidney stone, low magnesium in blood, constipation, nausea...The last two symptoms can occur even at normal replacement dose. ...Read more

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Do the food supplements make side effects on bodybuilders ?

Do the food supplements make side effects on bodybuilders ?

Overdoses: If taken in large amounts, vitamins, mineral can have adverse effects. For example, too much Vitamin A or D can cause severe headaches.
I recommend having a professional take a look at the food supplements you are taking. Creatinine and too much protein can affect your Kidney. Best to be safe- see a professional ...Read more

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What are the side effects of taking a probiotic supplement?

What are the side effects of taking a probiotic supplement?

Gas, bloating: Probiotics' side effects, if they occur, tend to be mild and digestive (such as gas or bloating) ...Read more

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What are the negative side effects of body building supplements?

What are the negative side effects of body building supplements?

Caveaet emptor: Supplements prepared at the gym are often not what you're told they are. Most women strongly prefer a natural bodybuilder & i'm glad you've chosen not to use steroids. Creatine seems to be extremely safe, whey protein is a superb source while you're bulking, and most everything else legal will be rougher on your bank account than on your body. Glad you're staying fit, & good luck. ...Read more

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What are some good pre workout supplements for endurance training?

What are some good pre workout supplements for endurance   training?

Depends: Most endurance training workouts are best fueled by a well balanced diet that includes fruits and vegetables. Having an adequate of amount of carbs is important to maximize the glycogen stores in the muscles, which provides the muscles with energy. Supplement with adequate hydration, a small of amount of protein as well. ...Read more