Last update
4/10/2026
Reviewed By
Overview
SCIENTIFIC SCORE
Possibly Effective
Based on 5 Researches
7
USERS' SCORE
Good
Based on 6 Reviews
8.3
Supplement Facts
Serving Size: 1 Capsule
Serving Per Container: 60
Amount Per Serving
%DV
Coenzyme Q10 (Ubiquinone)
200 mg
†
Top Medical Research Studies
9
CoQ10 reduces post-heart attack complications significantly
A randomized, double-blind placebo-controlled trial compared 120 mg daily of coenzyme Q10 to placebo over 28 days in 144 heart attack patients. Those receiving CoQ10 experienced significantly fewer cases of chest pain, heart rhythm problems, and poor heart function compared to the placebo group. Importantly, major cardiac events—including heart deaths and repeat heart attacks—dropped to 15% with CoQ10 versus 31% with placebo.
We observed that CoQ10 treatment enhanced the body's natural antioxidant defenses and reduced markers of cellular damage. These results suggest CoQ10 may offer rapid protection when given shortly after a heart attack, though larger studies with longer follow-up are needed to fully confirm these encouraging findings.
We observed that CoQ10 treatment enhanced the body's natural antioxidant defenses and reduced markers of cellular damage. These results suggest CoQ10 may offer rapid protection when given shortly after a heart attack, though larger studies with longer follow-up are needed to fully confirm these encouraging findings.
Read More
8
CoQ10 supplementation improved angina symptoms safely
We evaluated how coenzyme Q10 helps patients with heart disease. Patients with stable angina (chest pain from reduced heart blood flow) received 60 mg of coenzyme Q10 daily for 8 weeks alongside their regular medications. The results were encouraging—those who added coenzyme Q10 to their treatment experienced significant improvement in their symptoms without experiencing serious side effects.
Read More
7
CoQ10 improves exercise tolerance in angina
We evaluated CoQ10's effects on 12 angina patients using a rigorous double-blind, placebo-controlled crossover study with treadmill testing. Participants received 150 mg daily for 4 weeks.
CoQ10 significantly improved exercise capacity: patients exercised 61 seconds longer and reached ST-segment depression (a key heart stress indicator) 88 seconds later compared to placebo. The improvements correlated directly with blood CoQ10 levels.
While anginal attacks and nitroglycerin use trended downward, these reductions weren't statistically significant. The supplement was well-tolerated with minimal side effects, suggesting CoQ10 is a safe option for angina patients seeking to improve physical endurance.
CoQ10 significantly improved exercise capacity: patients exercised 61 seconds longer and reached ST-segment depression (a key heart stress indicator) 88 seconds later compared to placebo. The improvements correlated directly with blood CoQ10 levels.
While anginal attacks and nitroglycerin use trended downward, these reductions weren't statistically significant. The supplement was well-tolerated with minimal side effects, suggesting CoQ10 is a safe option for angina patients seeking to improve physical endurance.
Read More
Most Useful Reviews
9
Chest pain relief
Fantastic! Following Covid, I encountered a complication with the pericardium. However, after a course of coenzyme and lipoic (thioctic) acid, the chest pain vanished, and an ultrasound scan later revealed improvements.
Read More
9
Energy boost achieved
5 people found this helpful
Jarrow was recommended due to my food sensitivities, and I found this product to be excellent. It relieved my chest pain and enhanced my energy levels without any side effects.
Read More
7.5
Decreased pain
As it is a relatively pricey substance, it usually carries high added value. However, in this instance, it is reasonably priced compared to similar products, which, when combined with the brand's reliability, ensures an optimal purchase. I've noticed an increase in my mood, a reduction in chest pain, and as a result, greater performance in my physical activities. I highly recommend it!
Read More
Medical Researches
SCIENTIFIC SCORE
Possibly Effective
Based on 5 Researches
7
- All Researches
9
CoQ10 reduces post-heart attack complications significantly
A randomized, double-blind placebo-controlled trial compared 120 mg daily of coenzyme Q10 to placebo over 28 days in 144 heart attack patients. Those receiving CoQ10 experienced significantly fewer cases of chest pain, heart rhythm problems, and poor heart function compared to the placebo group. Importantly, major cardiac events—including heart deaths and repeat heart attacks—dropped to 15% with CoQ10 versus 31% with placebo.
We observed that CoQ10 treatment enhanced the body's natural antioxidant defenses and reduced markers of cellular damage. These results suggest CoQ10 may offer rapid protection when given shortly after a heart attack, though larger studies with longer follow-up are needed to fully confirm these encouraging findings.
We observed that CoQ10 treatment enhanced the body's natural antioxidant defenses and reduced markers of cellular damage. These results suggest CoQ10 may offer rapid protection when given shortly after a heart attack, though larger studies with longer follow-up are needed to fully confirm these encouraging findings.
Read More
8
CoQ10 supplementation improved angina symptoms safely
We evaluated how coenzyme Q10 helps patients with heart disease. Patients with stable angina (chest pain from reduced heart blood flow) received 60 mg of coenzyme Q10 daily for 8 weeks alongside their regular medications. The results were encouraging—those who added coenzyme Q10 to their treatment experienced significant improvement in their symptoms without experiencing serious side effects.
Read More
7
CoQ10 reduces oxidative stress in effort angina
We examined how the body's stress response affects patients experiencing effort-induced chest pain (angina). Patients showed increased harmful oxygen molecules from immune cells, higher levels of oxidative damage markers, and reduced natural antioxidant defenses—worsening with disease severity.
When coenzyme Q10 was added to standard chest pain medications, it reduced the harmful oxygen production, decreased oxidative damage to fats in the blood, and restored the body's protective antioxidant capacity. This biochemical improvement translated into real clinical benefits, with patients experiencing meaningful relief from effort-induced chest pain.
When coenzyme Q10 was added to standard chest pain medications, it reduced the harmful oxygen production, decreased oxidative damage to fats in the blood, and restored the body's protective antioxidant capacity. This biochemical improvement translated into real clinical benefits, with patients experiencing meaningful relief from effort-induced chest pain.
Read More
7
CoQ10 improves exercise tolerance in angina
We evaluated CoQ10's effects on 12 angina patients using a rigorous double-blind, placebo-controlled crossover study with treadmill testing. Participants received 150 mg daily for 4 weeks.
CoQ10 significantly improved exercise capacity: patients exercised 61 seconds longer and reached ST-segment depression (a key heart stress indicator) 88 seconds later compared to placebo. The improvements correlated directly with blood CoQ10 levels.
While anginal attacks and nitroglycerin use trended downward, these reductions weren't statistically significant. The supplement was well-tolerated with minimal side effects, suggesting CoQ10 is a safe option for angina patients seeking to improve physical endurance.
CoQ10 significantly improved exercise capacity: patients exercised 61 seconds longer and reached ST-segment depression (a key heart stress indicator) 88 seconds later compared to placebo. The improvements correlated directly with blood CoQ10 levels.
While anginal attacks and nitroglycerin use trended downward, these reductions weren't statistically significant. The supplement was well-tolerated with minimal side effects, suggesting CoQ10 is a safe option for angina patients seeking to improve physical endurance.
Read More
4
CoQ10 shows adjuvant heart failure promise; limited angina evidence
Researchers reviewed clinical evidence on coenzyme Q10 (CoQ10) for treating heart conditions. The literature showed that oral CoQ10 was safe and well-tolerated, with promising effects on heart function markers like ejection fraction and exercise capacity in chronic heart failure patients.
However, the evidence for angina and hypertension remains limited. While CoQ10 showed potential as an add-on therapy for heart failure, the review concluded it shouldn't replace standard treatments. More research is needed to establish optimal dosing, drug interactions, and whether CoQ10 truly works as a standalone therapy.
However, the evidence for angina and hypertension remains limited. While CoQ10 showed potential as an add-on therapy for heart failure, the review concluded it shouldn't replace standard treatments. More research is needed to establish optimal dosing, drug interactions, and whether CoQ10 truly works as a standalone therapy.
Read More
User Reviews
USERS' SCORE
Good
Based on 6 Reviews
8.3
- All Reviews
- Positive Reviews
- Negative Reviews
9
Chest pain relief
Fantastic! Following Covid, I encountered a complication with the pericardium. However, after a course of coenzyme and lipoic (thioctic) acid, the chest pain vanished, and an ultrasound scan later revealed improvements.
Read More
9
Energy boost achieved
5 people found this helpful
Jarrow was recommended due to my food sensitivities, and I found this product to be excellent. It relieved my chest pain and enhanced my energy levels without any side effects.
Read More
7.5
Decreased pain
As it is a relatively pricey substance, it usually carries high added value. However, in this instance, it is reasonably priced compared to similar products, which, when combined with the brand's reliability, ensures an optimal purchase. I've noticed an increase in my mood, a reduction in chest pain, and as a result, greater performance in my physical activities. I highly recommend it!
Read More
7.5
Heart improvement
1 people found this helpful
I liked this coenzyme very much. My heart somehow improved (I have a mild prolapse and occasionally experience chest pain), and I felt an increase in energy. This product is sensible and definitely worth your attention. It is also quite economical: a jar lasts for 2 months.
Read More
6
Restored energy
1 people found this helpful
Great stuff! After having undergone a significant operation 20 years ago, it was CO-Q10 that revived my energy and restored my health. Whenever I feel unwell or under stress, this substance assists me. Recently, I've found that taking 100 mgs of Q10 alongside 500 mgs of l-carnosine helps to restore my health and alleviate any aches or pains, particularly beneficial at my advanced age for preventing nocturnal cramps.
Read More
Frequently Asked Questions
9
Chest pain relief
Fantastic! Following Covid, I encountered a complication with the pericardium. However, after a course of coenzyme and lipoic (thioctic) acid, the chest pain vanished, and an ultrasound scan later revealed improvements.
7.5
Decreased pain
As it is a relatively pricey substance, it usually carries high added value. However, in this instance, it is reasonably priced compared to similar products, which, when combined with the brand's reliability, ensures an optimal purchase. I've noticed an increase in my mood, a reduction in chest pain, and as a result, greater performance in my physical activities. I highly recommend it!
7.5
Heart improvement
1 people found this helpful
I liked this coenzyme very much. My heart somehow improved (I have a mild prolapse and occasionally experience chest pain), and I felt an increase in energy. This product is sensible and definitely worth your attention. It is also quite economical: a jar lasts for 2 months.
6
Restored energy
1 people found this helpful
Great stuff! After having undergone a significant operation 20 years ago, it was CO-Q10 that revived my energy and restored my health. Whenever I feel unwell or under stress, this substance assists me. Recently, I've found that taking 100 mgs of Q10 alongside 500 mgs of l-carnosine helps to restore my health and alleviate any aches or pains, particularly beneficial at my advanced age for preventing nocturnal cramps.
7.5
Muscle support
Coenzyme Q10 reduces oxidative stress and tones the heart muscles; it assists in preventing muscle cramps, spasms, and alleviating chest pain, while its benefits extend to skin laxity. Many athletes incorporate coenzyme Q10 into their diets. This vitamin strengthens muscle fibres, aiding in restoring strength and energy after exercise. The packaging is substantial and beneficial to the brain, skin, heart, and mitochondria, making it an excellent antioxidant.
8
CoQ10 supplementation improved angina symptoms safely
We evaluated how coenzyme Q10 helps patients with heart disease. Patients with stable angina (chest pain from reduced heart blood flow) received 60 mg of coenzyme Q10 daily for 8 weeks alongside their regular medications. The results were encouraging—those who added coenzyme Q10 to their treatment experienced significant improvement in their symptoms without experiencing serious side effects.
References
- Kuimov AD, Murzina TA. [Coenzyme q10 in complex therapy of patients with ischemic heart disease]. Kardiologiia. 2013;53:40. PubMed
- Tran MT, Mitchell TM, Kennedy DT, Giles JT. Role of coenzyme Q10 in chronic heart failure, angina, and hypertension. Pharmacotherapy. 2001;21:797. PubMed
- Kogan AKh, Syrkin AL, Drinitsina SV, Kokanova IV. [The antioxidant protection of the heart by coenzyme Q10 in stable stenocardia of effort]. Patol Fiziol Eksp Ter. 1999. PubMed
- Singh RB, Wander GS, Rastogi A, Shukla PK, Mittal A, et al. Randomized, double-blind placebo-controlled trial of coenzyme Q10 in patients with acute myocardial infarction. Cardiovasc Drugs Ther. 1998;12:347. PubMed
- Kamikawa T, Kobayashi A, Yamashita T, Hayashi H, Yamazaki N. Effects of coenzyme Q10 on exercise tolerance in chronic stable angina pectoris. Am J Cardiol. 1985;56:247. PubMed
