The 4 Best CoQ10 Supplements of 2026
The best CoQ10 for most people is Nature Made CoQ10 200 mg: 200 mg of CoQ10 in oil for $0.62 a softgel, and the only one of the 9 we score that is on a public testing list (USP Verified). Nutricost CoQ10 200 mg and Doctor's Best High Absorption CoQ10 with BioPerine 200 mg score higher (8.5 vs 8.0) because they cost less. We still pick Nature Made CoQ10 200 mg because it is on a testing list. In our view, ubiquinol is not worth the extra cost for most people.
By Erin Rose Updated October 12, 2026 How we score
Our picks at a glance
- A 100 mg softgel: take one, two or three Qunol Ultra CoQ10 100 mg $0.25 a softgel (100 mg), about $0.50 per 200 mg
Our pick for: Most people who take CoQ10
Good
- On the USP Verified list (checked September 22, 2026)
- Full dose: 200 mg per serving (studied 100 to 300 mg)
- Label states the amount, with no blend
Watch for
- Costs 2.1 times as much per dose as the cheapest of its kind we score
- CoQ10
- 200 mg a serving1 softgel
- One serving
- $0.62list price
- Testing list
- USP Verified
- Form
- CoQ10the label doesn’t name the form
- Bottle
- 80-softgel bottle, $49.49list price at naturemade.com
- Per 200 mg
- $0.62list price
Our take
Why we pick it It is the only one of the 9 we score that is on a public testing list (USP Verified: an outside group checks the ingredients, potency and how it’s made). Each softgel has 200 mg of CoQ10 in oil.
What you give up Price. At $0.62 per 200 mg it costs about twice the cheapest. If testing matters less to you, see our lowest-cost pick. To see how much to take, read our dosage guide.
Testing record
- USP Verified: contents and purity Checked September 22, 2026.
Not found on: NSF Certified for Sport, Informed Sport, Informed Choice, NSF/ANSI 173.
Our other 3 picks
None of these three is on a public testing list. Jump to one:
- Lowest cost per 200 mg Nutricost CoQ10 200 mg
- A 100 mg softgel: take one, two or three Qunol Ultra CoQ10 100 mg
- You want ubiquinol Qunol Ubiquinol Extra Strength 200 mg
Our pick for: Lowest cost per 200 mg
Good
- Full dose: 200 mg per serving (studied 100 to 300 mg)
- The lowest cost per dose of its kind that we score
- Label states the amount, with no blend
Watch for
- Not on a public testing list we check (the brand says it tests its products)
- CoQ10
- 200 mg a serving1 capsule
- One serving
- $0.30list price
- Testing list
- None found
- Form
- CoQ10the label doesn’t name the form
- Bottle
- 60-capsule bottle, $17.97list price at nutricost.com
- Per 200 mg
- $0.30list price
Our take
200 mg of CoQ10 in one capsule for $0.30, the lowest cost per 200 mg of the 9 we score. The brand says an independent lab tests its products, but names none, and it is not on a public list.
Testing record
Not found on any testing list we check.
Not found on: NSF Certified for Sport, Informed Sport, Informed Choice, NSF/ANSI 173, USP Verified.
Our pick for: A 100 mg softgel: take one, two or three
Good
- Full dose: 100 mg per serving (studied 100 to 300 mg)
- Label states the amount, with no blend
- No FDA recall for the brand in 24 months
Watch for
- Not on any public testing list we check
- Costs 1.7 times as much per dose as the cheapest of its kind we score
- CoQ10
- 100 mg a serving1 softgel
- One serving
- $0.25list price
- Testing list
- None found
- Form
- CoQ10the label doesn’t name the form
- Bottle
- 120-softgel bottle, $29.97list price at qunol.com
- Per 200 mg
- $0.50list price
Our take
100 mg of CoQ10 a softgel, made to mix with water as well as fat (“solubilized”). The label doesn’t name the form. One softgel gives 100 mg; three give the 300 mg the heart-failure and migraine trials used. It costs $0.25 a softgel (100 mg), about $0.50 per 200 mg. Not on a public testing list. See what we know about absorption.
Testing record
Not found on any testing list we check.
Not found on: NSF Certified for Sport, Informed Sport, Informed Choice, NSF/ANSI 173, USP Verified.
Our pick for: You want ubiquinol
Qunol Ubiquinol Extra Strength 200 mg
7.0/10 Our score
Tied for first of the 4 ubiquinol products we score
Good
- Full dose: 200 mg per serving (studied 100 to 300 mg)
- The lowest cost per dose of its kind that we score
- Label states the amount, with no blend
Watch for
- Not on any public testing list we check
- CoQ10
- 200 mg a serving1 softgel
- One serving
- $0.67list price
- Testing list
- None found
- Form
- Ubiquinola form your body also makes from ubiquinone
- Bottle
- 60-softgel bottle, $39.99list price at qunol.com
- Per 200 mg
- $0.67list price
Our take
200 mg of Kaneka ubiquinol (Kaneka is an ingredient maker) a softgel, the top-scoring ubiquinol we price, at $0.67 a softgel. Ubiquinol’s absorption edge is uncertain, and no trial shows better health results. Compare ubiquinol and ubiquinone.
Testing record
Not found on any testing list we check.
Not found on: NSF Certified for Sport, Informed Sport, Informed Choice, NSF/ANSI 173, USP Verified.
| Item | Value |
|---|---|
| Nutricost CoQ10 200 mg | $0.30 |
| Doctor's Best High Absorption CoQ10 with BioPerine 200 mg | $0.33 |
| Qunol Ultra CoQ10 200 mg | $0.44 |
| Qunol Ultra CoQ10 100 mg | $0.50 |
| Nature Made CoQ10 200 mg | $0.62 |
| Qunol Ubiquinol Extra Strength 200 mg | $0.67 |
| NOW Ubiquinol 200 mg | $0.81 |
The 7 we show, out of the 9 we score, and how we checked them
| Product | Score | CoQ10 | Per 200 mg | Testing list | Bottle and list price | Buy |
|---|---|---|---|---|---|---|
| Nutricost CoQ10 200 mgNutricost · CoQ10 | 8.5/10 | 200 mg1 capsule | $0.30 | Not found* | 60-capsule bottle, $17.97 | Buy on Amazon |
| Doctor's Best High Absorption CoQ10 with BioPerine 200 mgDoctor's Best · ubiquinone · also black pepper extract (BioPerine) 5 mg | 8.5/10 | 200 mg1 capsule | $0.33 | Not found* | 60-capsule bottle, $19.99 | Buy on Amazon |
| Nature Made CoQ10 200 mgNature Made · CoQ10 | 8.0/10 | 200 mg1 softgel | $0.62 | USP Verified | 80-softgel bottle, $49.49 | Buy on Amazon |
| Qunol Ubiquinol Extra Strength 200 mgQunol · ubiquinol | 7.0/10 | 200 mg1 softgel | $0.67 | Not found* | 60-softgel bottle, $39.99 | Buy on Amazon |
| NOW Ubiquinol 200 mgNOW Foods · ubiquinol | 7.0/10 | 200 mg1 softgel | $0.81 | Not found* | 60-softgel bottle, $48.39 | Buy on Amazon |
| Qunol Ultra CoQ10 200 mgQunol · CoQ10 · also vitamin E 41 mg | 6.0/10 | 200 mg1 softgel | $0.44 | Not found* | 90-softgel bottle, $39.99 | Buy on Amazon |
| Qunol Ultra CoQ10 100 mgQunol · CoQ10 · also vitamin E 68 mg | 6.0/10 | 100 mg1 softgel | $0.50 | Not found* | 120-softgel bottle, $29.97 | Buy on Amazon |
* Not on any public testing list we checked. Doctor’s Best’s label says USP Verified, but our copy of USP’s list does not include it. We also score 2 more ubiquinols that cost more; see the price table.
The score. Out of 10, from five checks (scores rebuilt October 12, 2026; how we score):
- Dose, up to 3 points: a serving has 100 to 300 mg of CoQ10 (the range we count as a full dose).
- Testing, up to 3 points: the product is on a public testing list. A brand’s own claim, with no listing, earns half.
- Cost, up to 2 points: what 200 mg of CoQ10 costs, compared with the cheapest of the same form.
- Label, up to 1 point: the label states every amount.
- Recalls, up to 1 point: no FDA recall naming the brand in 24 months.
Not scored, and why.
- Puritan's Pride CoQ10 200 mg (120 softgels): Puritan's Pride's store blocked our reads and no other store we use sells it, so we have no list price to compare. 200 mg of CoQ10 a softgel; no third-party testing claim on the label.
- Kirkland Signature CoQ10 300 mg: It is on USP Verified, but Costco lists it as unavailable, so we could not confirm a price and do not score it.
What CoQ10 does, and what to watch for
Your body makes CoQ10. As a supplement, one large trial found fewer serious heart events in heart failure (Mortensen 2014), though NIH calls the research inconclusive, and US neurology guidelines rate it possibly effective for preventing migraine (Holland 2012). NIH says it does not help Parkinson’s, and it probably does not meaningfully lower blood pressure. See what CoQ10 helps with.
For side effects, drug interactions and how much to take, read our dosage guide.
Sources
- NIH National Center for Complementary and Integrative Health. Coenzyme Q10 (last updated January 2019; read October 12, 2026).
- Mortensen SA, et al. JACC Heart Fail. 2014. PubMed 25282031. Holland S, et al. Neurology. 2012. PubMed 22529203
- Labels: the NIH Dietary Supplement Label Database or each brand’s page. Testing: USP Verified (our copy of September 22, 2026), NSF/ANSI 173 and NSF Certified for Sport (our copies). Recalls: openFDA. Prices: each brand’s own list price (Vitacost for NOW), checked October 12, 2026.




