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Coenzyme Q10: Ubiquinol Kaneka - Solquinol
€29.90
BBD : 04/30/2028
Shipped on : 13 April 2026
+ A powerful intracellular antioxidant with anti-aging action at the cellular level (mitochondria),
+ Supports energy metabolism, reduces fatigue, and promotes heart and blood vessel function: enhances athletic performance,
+ Box of 30 capsules containing 100mg (1 month supply) of Kaneka Ubiquinol in a liquid matrix: 10 times more bioavailable than dry CoQ10 powder,
Ubiquinol (reduced coenzyme Q10): a key player in cellular energy production
Ubiquinol, the biologically active form of coenzyme Q10, is an essential molecule for the proper functioning of the body. It acts directly at the heart of the mitochondria, during the Krebs cycle, the central process of cellular energy production.
Mitochondria are true cellular power plants present in every cell of the body. They produce ATP (Adenosine Triphosphate), the body’s main source of energy. When a muscle contracts, ATP is consumed and converted into ADP. The Krebs cycle then enables the mitochondria to regenerate ATP, ensuring proper muscular and cellular function.
Without ubiquinol, mitochondria cannot complete the Krebs cycle, which limits ATP production and directly impacts energy levels, vitality and endurance.
The body naturally contains two forms of coenzyme Q10: ubiquinone (oxidized form) and ubiquinol (reduced form). In healthy individuals, ubiquinol is the predominant form and the one most readily usable by cells.
However, the body’s ability to convert ubiquinone into ubiquinol decreases with age, as well as in certain physiological or pathological situations associated with increased oxidative stress, such as liver, kidney or cardiovascular disorders, or diabetes.
This conversion is also reduced in individuals taking cholesterol-lowering medications (statins, whether synthetic or natural), as well as in people engaging in intensive physical activity, whose energy requirements are higher.
Ubiquinol: a powerful intracellular antioxidant
Ubiquinol is also recognized for its role as a major intracellular antioxidant. It is one of the few antioxidants capable of acting directly inside cells, by neutralizing free radicals produced in particular during the Krebs cycle.
Free radicals are unstable and highly reactive molecules involved in cellular aging and associated with the development of cardiovascular diseases, certain cancers and other age-related chronic conditions.
A pure, highly bioavailable ubiquinol at the optimal dosage
To be fully effective, ubiquinol must be pure, highly bioavailable and optimally dosed. Solquinol provides 100 mg of ubiquinol, the active form of coenzyme Q10 that can be used directly by the body.
100 mg corresponds to the optimal dosage to rapidly restore and then sustainably stabilize blood ubiquinol levels.
The ubiquinol in Solquinol benefits from a liquid emulsified form on a lecithin oil matrix, which significantly improves its absorption. Its bioavailability has been rigorously tested.
Warning: supplementing with non-reduced coenzyme Q10 (ubiquinone), even at high doses, is of limited relevance, as the body may not be able to efficiently convert it into biologically active ubiquinol.
Only ubiquinol has true antioxidant activity, unlike the oxidized form.
Solquinol contains Kaneka™ Ubiquinol, the only source supported by scientific validation demonstrating its effectiveness. It is pure, directly absorbable and immediately usable by the mitochondria, without any prior conversion.
Warning: some non-Kaneka™ certified ubiquinols are available on the market, but their quality, stability and effectiveness are rarely guaranteed.
Why Choose Solquinol Over Other Coenzyme Q10 Supplements?
• Solquinol contains the reduced form of coenzyme Q10, directly usable by the body and twice as bioavailable as ubiquinone (the oxidized form). Its bioavailability is further enhanced through its delivery in a lecithin oil matrix.
• Solquinol provides 100mg of Ubiquinol, the optimal dosage to quickly restore blood levels of Ubiquinol.
• Solquinol contains Kaneka QH™ Ubiquinol, the first bioavailable Ubiquinol on the nutritional supplement market, which is scientifically tested.
• Kaneka QH™ Ubiquinol is made up of a 100% All-trans isomer, the biologically active form of coenzyme Q10 (without cis-isomers).
• Product safety has been demonstrated through controlled human research using placebo comparisons. Its bioavailability is twice as high as that of ubiquinone.
• Solquinol is enhanced with Vitamin B1 and Vitamin C for optimized action: Vitamin B1 supports energy metabolism and contributes to normal heart function. Vitamin C helps reduce fatigue and supports healthy collagen formation for normal blood vessel function.
Box of 30 capsules (1-month supply)
Ingredients per marine capsule (recommended daily intake)
Ubiquinol (Kaneka QHTM) in an oil matrix with lecithin (98% all-trans isomer; free from cis isomers): 100 mg
Vitamin C (L-ascorbic acid): 12 mg (15% NRV)
Vitamin B1 (thiamine mononitrate): 0.6 mg (55% NRV)
Allergen: soy
1 capsule once or twice a day
The dosage can be increased to 2 capsules three times a day during the first two weeks of treatment to boost blood levels.
It is recommended to take Solquinol for at least 2 months or over longer periods for enhanced effectiveness, unless otherwise advised by your healthcare professional.
Possible side effects
No known side effects exist for the indicated dosage.
Coenzyme Q10 may enhance the action of antidiabetic and antihypertensive medications. Therefore, monitoring is recommended when used simultaneously. It may also reduce the effect of oral anticoagulants.
The consumption of Solquinol does not affect the body's ability to produce coenzyme Q10.
When to Use Solquinol?
• When the body's natural ability to convert ubiquinone (coQ10 (ox)) into ubiquinol (coQ10H2 (red)) is reduced or insufficient:
> for individuals over the age of 45
> in cases of extreme oxidative stress to protect against free radicals – sometimes due to underlying conditions
> for people taking cholesterol-lowering medication, such as statins
> for those engaged in intensive sports activities
> as a preventive measure for migraines
> in cases of heart failure
> for high blood pressure
• When experiencing a loss of vitality and to prevent aging due to its support of energy metabolism
• To support the heart and blood vessels, particularly for its positive effect on blood pressure
• For maintaining flexible muscles
All these situations can lead to fatigue and difficulty with physical exertion.
• For male infertility caused by a reduced sperm count, abnormal shape, or insufficient motility (ability to move)
Additional Tips
- To enhance heart and blood vessel health, or for high blood pressure, it is recommended to combine Solquinol with Solakrill's highly assimilable omega-3s.
- For mobility issues, it is advised to pair Solquinol with Solumine, the natural anti-inflammatory turmeric phytosome.
- For athletes, combining Solquinol with Solumine and Solakrill is recommended to sustainably improve physical condition.
Information, Scientific Studies, and Dosage for Specific Situations
Coenzyme Q10 exists as a redox pair: ubiquinol in its reduced form and ubiquinone in its oxidized form. Ubiquinol acts as the antioxidant in this pair. Both forms (ubiquinone and ubiquinol) play a crucial role in cellular energy production.
In young and relatively healthy individuals, over 80% of the total coenzyme Q10 levels
in the plasma, intestines, and liver consist of ubiquinol. The reduced form predominates. Enzymes (reductases) maintain ubiquinol's dominance, even after oral administration of ubiquinone.
Ubiquinol versus Ubiquinone Levels Over Time
Between the ages of 20 and 45, under normal circumstances, ubiquinone use (CoQ10 (ox)) remains sufficient. In older individuals, the ratio of ubiquinone to ubiquinol significantly increases in the plasma. This may be due to increased oxidative stress, less efficient conversion of ubiquinone to ubiquinol, or both (1). Using ready-to-absorb ubiquinol can help restore the balance between the reduced and oxidized forms.
From age 55 onwards, taking ubiquinol is recommended.
Studies have also shown an imbalance toward ubiquinone deficiency in patients with hepatitis, cirrhosis, or hepatoma (2), as well as in pre-diabetic or diabetic individuals (3).
Ubiquinol Use in Heart Failure
An example of extreme oxidative stress is demonstrated in a human study (4) involving 7 patients with advanced congestive heart failure. Using 450 mg of ubiquinone (ox) per day resulted in sub-therapeutic CoQ10 levels (1.6 μg/ml, while a minimum level of 3.5 μg/ml is required (tt)) in their plasma. Switching to 580 mg of ubiquinol (red) per day increased plasma CoQ10 levels from an average of 1.5 to 6.5 μg/ml. Cardiac contractility improved (ejection fraction rose from an average of 22% to 39%), and clinical improvement was notable, with patients moving from NYHA class IV to class II on average.
Ubiquinol and Statins
It has been shown that cholesterol-lowering medications reduce plasma ubiquinol levels (5). This reduction likely explains the muscle pain experienced by many patients. Taking 100 to 200 mg of ubiquinol daily can reduce this pain by up to 40% (6, 7, 8).
Ubiquinol in High-Intensity Sports
In athletes, a double-blind, placebo-controlled study (9) involving 100 individuals preparing for the London 2012 Olympics showed that taking 300 mg of ubiquinol daily, alongside a structured training program, increased peak power output by 11%, compared to 8% in the placebo group (p<0.03).
Aging Prevention
Other studies suggest that daily ubiquinol supplementation may prevent aging effects. A study (10) on an accelerated aging mouse model (SAMP1) showed that ubiquinol administration reduced senescence in middle-aged mice.
Male and Female Fertility
Semen contains high amounts of ubiquinol, which supports sperm motility and acts as an antioxidant.
A study on 264 male patients with fertility issues (low sperm count, poor motility, and abnormal morphology) showed that 200 mg of Kaneka Ubiquinol daily significantly increased sperm count in 62% of men, motility in 57%, and normal sperm morphology in 52% (11).
Another study on 60 male volunteers, taking 150 mg/day, produced similar results, with a 53% increase in sperm count.
In women, oxidative stress has been shown to reduce egg quality. Eggs contain nearly 200 times more mitochondria than typical cells, and a link has been established between mitochondrial quantity and fertilization potential. Ubiquinol supplementation is being studied to enhance egg quality, especially in older women trying to conceive.
Proven Safety
The safety of Kaneka QH® Ubiquinol has been validated, with studies showing it is twice as bioavailable as ubiquinone (12, 13).
Dosage Recommendations:
• For various mitochondrial dysfunctions (coordination issues, Alzheimer's, Parkinson's, Huntington's): 4 to 15 mg/kg body weight daily
• To support heart function by enhancing energy production in cardiac muscle cells: 200 to 300 mg per day with meals
• For high blood pressure: 100 to 200 mg per day with meals
• For those taking cholesterol-lowering medications: 100 to 200 mg per day with meals
• To protect against LDL cholesterol oxidation: 100 mg per day with meals
• For ischemia (angina): 200 to 300 mg per day with meals
• For cardiac arrhythmia: 200 to 300 mg per day with meals
• For gum disease: 100 mg per day with meals
• To aid with male or female infertility: 200 to 300 mg per day with meals.
Références
1 Wada H, Goto H, Hagiwara S, Yamamoto Y. Redox status of coenzyme Q10 is associated with chronological age. Am Geriatr Soc 2007; 55(7):1141-2.
2 Yamamoto Y, Yamashita S. Plasma ubiquinone to ubiquinol ratio in patients with hepatitis, cirrhosis, and hepatoma, and in patients treated with percutaneous transluminal coronary reperfusion. Biofactors 1999; 9(2-4):241-6.
3 Lim SC, Lekshminarayanan R, Goh SK, Ong YY, Subramaniam T, Sum CF, Ong CN, Lee BL. The effect of coenzyme Q10 on microcirculatory endothelial function of subjects with type 2 diabetes mellitus. Atherosclerosis 2008; 196(2):966-9.
4 Langsjoen PH, Langsjoen AM. Supplemental ubiquinol in patients with advanced congestive heart failure. Biofactors. 2008;32(1-4):119-28.
5 Langsjoen PH et al.Treatment of statin adverse effects with supplemental Coenzyme Q10 and statin drug discontinuation. Biofactors 2005; 25(1- 4):147-52.
6,7,8 Stroke. 2007;38:2652-2657
7 Drug Safety 2007; 30
8 Am J Cardiol 2007 ;99 :1409-1412
9 Dietmar Alf1 Michael E Schmidt, and Stefan C Siebrecht.Ubiquinol supplementation enhances peak power production in trained athletes: a double-blind, placebo controlled study.J Int Soc Sports Nutr. 2013; 10: 24
10 Yan J, Fujii K, Yao J, Kishida H, Hosoe K, Sawashita J, Takeda T, Mori M, Higuchi K.Reduced coenzyme Q10 supplementation decelerates senescence in SAMP1 mice.Exp Gerontol. 2006 Feb;41(2):130-40.
11 Safarinejad MR1, Safarinejad S, Shafiei N, Safarinejad S. Effects of the reduced form of coenzyme Q10 (ubiquinol) on semen parameters in men with idiopathic infertility: a double-blind, placebo controlled, randomized study. J Urol. 2012 Aug;188(2):526-31
12 Hosoe K, Kitano M, Kishida H, Kubo H, Fujii K, Kitahara M. Study on safety and bioavailability of ubiquinol (Kaneka QH) after single and 4-week multiple oral administration to healthy volunteers. Regul Toxicol Pharmacol 2007; 47(1):19-28.
13 Langsjoen PH, Langsjoen AM. Comparison study of plasma coenzyme Q10 levels in healthy subjects supplemented with ubiquinol versus ubiquinone. Clin Pharmacol Drug Dev. 2014 Jan;3(1):13-7.
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Frequently Asked Questions - Ubiquinol solquinol
Ubiquinol is the active, antioxidant form of coenzyme Q10 (CoQ10), which is present in all cells. Unlike ubiquinone (the oxidised form), ubiquinol is used directly by the mitochondria to produce ATP (cellular energy).
Solquinol uses Kaneka QH®, a highly assimilable source of ubiquinol, which allows for better bioactive absorption and visible effects at moderate doses.
Furthermore, as ubiquinol is fat-soluble, in Solquinol it is integrated into a liquid phospholipid matrix, which improves its assimilation compared to powdered ubiquinol.
By combining the active CoQ10 approach with oxidised CoQ10 and enhanced bioavailability thanks to its liquid form, the Ubiquinol in Solquinol is 10 times more absorbable than a traditional CoQ10 capsule.
Sources : Journal of Nutritional Science, BioFactors
The classic form (ubiquinone) must be converted into ubiquinol in the body, which becomes less efficient with age or in cases of high oxidative stress.
Kaneka QH® ubiquinol is already in its bioactive form, which means:
✔ it is absorbed more quickly,
✔ it can be used more directly by the mitochondria,
✔ there is less metabolic loss, especially in people over 40.
Sources: Journal of Clinical Biochemistry and Nutrition
Yes. Ubiquinol plays a central role in the production of ATP, the main source of cellular energy. Clinical trials show that ubiquinol supplementation improves vitality, resistance to fatigue and overall well-being, particularly in active people or those experiencing low energy levels.
Sources: BioFactors, Journal of Clinical Biochemistry
Yes. Ubiquinol is a key natural compound in the cardiovascular system. It helps to:
✔ support cardiac performance
✔ maintain normal blood pressure
✔ protect heart cells from oxidative stress
Several trials have shown a positive profile for ubiquinol on cardiovascular markers.
Sources: American Journal of Clinical Nutrition, Journal of Cardiac Failure
Yes. In athletes, ubiquinol is involved in:
✔ muscle energy production
✔ reducing post-exercise oxidative stress
✔ improved muscle recovery
Studies indicate that doses of ubiquinol improve aerobic capacity, strength and endurance, while reducing muscle fatigue.
Sources: European Journal of Nutrition, Nutrients
Yes. Ubiquinol is a powerful antioxidant found in cell membranes, protecting cells from oxidative stress associated with ageing.
It also supports the immune system by improving energy availability and membrane stability.
A study has also found that ubiquinol levels are lower in people with flu infections.
Sources: Antioxidants (MDPI), Journal of Immunology
The first improvements in energy or vitality can be noticed after 2–3 weeks, with more noticeable effects on fatigue, endurance and well-being after 6–8 weeks of regular use, particularly in people over 40.
Sources: Journal of Nutritional Science
Solquinol is useful for:
✔ Active or athletic individuals (energy, performance, recovery)
✔ Seniors / 40+ (natural decline in ubiquinone → ubiquinol conversion)
✔ Stressed or tired people
✔ People with weak hearts or cardiovascular athletes
✔ People taking statins
✔ People concerned about cellular anti-ageing
Sources: BioFactors, Journal of Nutritional Health
Yes. Ubiquinol is naturally present in the body and well tolerated at recommended doses.
However, if you are taking anticoagulant medication, have hypothyroidism or are pregnant, it is advisable to consult your doctor before use.
Sources: American Journal of Clinical Nutrition
Solquinol stands out thanks to:
✔ KanekaQH® ubiquinol (active form), the only scientifically proven form
✔ 10 times greater bioavailability thanks to its encapsulation compared to a traditional CoQ10 supplement
✔ 100 mg per dose – dose aligned with clinical studies
✔ Form directly usable by the body, without the need for digestive conversion
✔ Effects on energy, heart, sport, immunity and ageing
✔ Solage laboratory quality, pure and well tolerated
✔ No toxic excipients or colourings
✔ Added vitamins B1 and C
=> A premium choice with excellent value for money to support energy and general health.
