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Review: Ubiquinol side effects

In this review, we analyze Ubiquinol side effects by the time on the drug, gender and age (0-60+) of the people who have side effects while taking Ubiquinol. The review is based on 58 people who have side effects while taking Ubiquinol from FDA and social media, and is updated regularly.

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What is Ubiquinol

Ubiquinol (latest outcomes from 106 users) has active ingredients of coenzyme q - 10.

It can also be called: Coenzyme Q - 10, Coenzyme Q10, CoQ, CoQ10, CoQ-10, Mitoquinone, Ubidecarenone, Ubiquinone, Q10.

On Jan, 13, 2015: 58 people who reported to have side effects when taking Ubiquinol are studied


Most common side effects over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Rash (redness)Hair LossExhaustion, Fatigue, Lethargy, Tiredness, Weariness (feeling of tiredness)Mucosa (mucous membrane)PainCramps - Leg (involuntary muscle contractions of leg)n/aBack Pain
Heart Palpitations (feelings or sensations that your heart is pounding or racing)Reactive Arthritis (a painful form of inflammatory arthritis that develops in reaction to an infection by bacteria)Angioedema (rapid swelling of the dermis)High Blood PressureHearing LossMuscle Spasms (muscle contraction)Nausea (feeling of having an urge to vomit)
Urinary Incontinence (inability to control the flow of urine and involuntary urination)Parkinson's DiseaseVentricular Tachycardia (rapid heartbeat that originates in one of the lower chambers (the ventricles) of the heart)Supraventricular Tachycardia (rapid heart rhythm originating at or above the atrioventricular node)Stomach PainUrticaria Contact (rash of round, red welts on the skin that itch intensely due to contact with allergic substances)Weight Fluctuation
DizzinessPiloerection (goose bumps)Anemia (less than the normal quantity of haemoglobin in the blood)Tinnitus (a ringing in the ears)Breathing DifficultyFluid Retention (an abnormal accumulation of fluid in the blood)
DiarrheaPhotophobia (extreme sensitivity to light)Nausea And VomitingBody Height Decreased
Headache (pain in head)Rash (redness)Paleness (unusual lightness of skin colour)High Density Lipoprotein Decreased
Heart AttackDizzinessStuffy Nose (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)Hypertension (high blood pressure)
High Blood PressurePolyuria (production of too much dilute urine)Bone Loss
Therapeutic Response Unexpected
Arthralgia (joint pain)

Most common side effects by gender * :

Rash (redness)Back Pain
Feeling AbnormalRash (redness)
DiscomfortDisease Progression
Nausea (feeling of having an urge to vomit)Humerus Fracture (injury to the upper arm bone)
Hot Flush (sudden feelings of heat)Mental Status Changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation)
Acne (skin problems that cause pimples)Weight Decreased
Stomatitis (inflammation of mucous membrane of mouth)Vomiting
DiarrhoeaHypokalaemia (low potassium)
Abdominal DiscomfortMuscle Twitching
Therapeutic Response UnexpectedNausea (feeling of having an urge to vomit)

Most common side effects by age * :

n/an/an/an/aDizzinessPiloerection (goose bumps)Hair LossRash (redness)
Rash (redness)Photophobia (extreme sensitivity to light)Mental Status Changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation)Nausea (feeling of having an urge to vomit)
Tinnitus (a ringing in the ears)VomitingAbdominal Discomfort
Headache (pain in head)Disease ProgressionDiscomfort
Humerus Fracture (injury to the upper arm bone)Feeling Abnormal
Weight DecreasedDiarrhoea
Hypokalaemia (low potassium)Acne (skin problems that cause pimples)
Musculoskeletal Pain (pain affects the bones, muscles, ligaments, tendons, and nerves)Hot Flush (sudden feelings of heat)
Muscle TwitchingBlood Pressure Increased
Renal Impairment (severely reduced kidney function)Therapeutic Response Unexpected

* Some reports may have incomplete information.

Browse Ubiquinol side effects from A to Z:

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Are you taking Ubiquinol?

Comments from related studies:

  • From this study (6 days ago):

  • Been taking CO-Q 10 for about 6-8 months and have been having severe hair loss for 6 months now Could Co Q-10 be the cause?


  • From this study (4 weeks ago):

  • This was recommended to help with high blood pressure and hypertension, not make it worse. Took me weeks to figure out it was the cause, and I was retaining about 10 pounds of water weight before I put it together. Online it is difficult to find anything except that this supplement will help with fluid retention, people need to be aware that it can make it worse.


  • From this study (2 months ago):

  • My legs have been swelling severely for months they checked my heart kidneys and blood pressure none of those things are causing this


    justbeth on Nov, 23, 2014:

    How are your oxygen levels? My legs did that before I was diagnosed with COPD. Not that you need another ailment. You for sure don't need another medication.


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  • What causes ideopathic polyneurothopy if not diabetic? (3 answers)
    Numbness in ball of foot. Started on one right side and progressed to both. EMG indicated Ideopathic Polyneurothopy. Pre diabetic with A1C of 5.8 - only one reading ever exceeded diabetic criteria at 6.6. Started 6 months ago with slow progression. No pain, minor tingling. Not constant but progresses during day if working and wearing dress shoes(weekends much better). Eases quickly in evening with no shoes and only stocking feet but does no go away. Feeling is not so much numbness as it feels like sand under balls of feet, swelling (no real swelling) or bunched up sock. Again, no pain but very annoying. Dr (Neurologist or Family Dr) do not seem concerned.
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  • Can coq10 cause frozen sholder
    I started taking CoQ10 and about a month later I was unable to raise my arm. Xrays and ctscan show no abnormalities, final diagnosis "Frozen Shoulder".

    I was just wondering if this has happened to anyone else.

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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

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