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Cofactor

Connective tissue · Powder · 28 portioner#13 / 18 in Connective tissue
6.3
Overall score · out of 10
6.3
Overall score · out of 10
Dose vs. studies6.6
Transparency5.0
Value8.2
Community6.0
Formulation5.0
Tier 3
Ingredient RCT (matching dose)
The ingredient was tested in an RCT at the same dose this product sells.
Redaktionellt score, paid $0 No affiliate link No third-party test No public analysintyg Sample received: No
How we scored this product Show the full breakdown
Composite How this 6.3 is built. 0.55 × 6.6 + 0.20 × 5.0 + 0.10 × 8.2 + 0.10 × 6.0 + 0.05 × 5.0 = 6.3 out of 10. Säkerhet caps applied after. 6.3
6.3 composite
Dose vs. studies55%6.6
Transparency20%5.0
Value10%8.2
Community10%6.0
Formulation5%5.0

Bevisning gates dose: the evidence grade sets the ceiling, and the dose decides how much of that ceiling the product reaches. Value = inverse of price-per-trial-dose-day. Community = mean sentiment of external reviews. Säkerhet caps applied after weighting.

This score is our editorial judgment, not a scientific standard. We combine published evidence, dose, price, transparency, and consumer signals into one composite: this is our method, not a peer-reviewed clinical rating. A higher score means a product does better on the factors we weight, not that it is medically proven to work.

Read the full method →

Question 1

Does the molecule work?

The science behind each active ingredient, independent of which brand sells it.

Genuine benefits for skin and joint tissue at 10 g/day.

1 landmark RCT · US: Dietary supplement · EU: Food supplement

The NAD+ precursor with the strongest safety file and EU approval.

2 landmark RCTs · US: GRAS, NDI accepted · EU: Authorised Novel Food (Commission Reg 2020/16)

Skin hydration and joint comfort at 120 mg/day.

1 landmark RCT · US: Dietary supplement · EU: Food supplement

Correcting deficiency is important; megadoses rarely add benefit.

4 landmark RCTs · US: Dietary supplement · EU: Food supplement
Question 2

Is this bottle good?

The specific product: dose, price, transparency, and what buyers report.

Dose vs research
200% av studiedosen
Meets or exceeds the published effective dose
Cost at trial dose
$1.34/day at trial dose
What one effective daily dose actually costs
Transparency
5.0/10 · No public analysintyg
No third-party testing disclosed
Consumer signals
34 reviews across platforms · 4.4/5 · medium confidence
Operational signal only, never used as clinical evidence
Question 3

What's the catch?

Säkerhet flags, transparency gaps, dosing concerns, and recurring buyer complaints.

No public analysintyg
Certificate of Analysis not published
Without a public analysintyg, batch purity and potency cannot be independently verified.
No third-party testing
Independent lab verification not disclosed
The brand does not publish evidence of independent batch testing.
Buyer complaints
Trustpilot: Trouble canceling/pausing subscriptions; iHerb: Small sample size
Recurring themes from consumer review platforms.
Redaktionellt verdict

Quick verdict

6.3 / 10
Best for
Full trial dose
Avoid if
No public analysintyg, Premium pricing
Full-dose status
Meets trial dose
Pris/month
$80
COA status
Not public
Biggest caveat
No public Certificate of Analysis.
Nearest alternatives

The numbers

Pris
$75
per bottle · 28 portioner
Dose vs. research
Above trial dose 200%
of published effective dose
$ / day at studied dose
$1.34
what one effective daily dose costs
$ / g active
$0.13
per gram of active substance
Independently checked

Data verification

Pris
$75
Verified n/a
Dose
200% av studiedosen
Verified n/a
COA status
Not public
Verified n/a
Bevisning grade
BBBA
Per-ingredient breakdown
BCollagen Peptider
BNR
BHyaluronic Acid
AVitamin C
Verified n/a

All product data is checked against original sources. Prices, doses, and testing status are updated when product pages change. Bevisning grades are reviewed when new human RCTs are published. Read how we verify.

What's inside

Ingredient
Dose in this product
Trial dose
Bevisning
Collagen Peptider
Genuine benefits for skin and joint tissue at 10 g/day.
20000.0 mg 200% av studiedosen
10000 mg
NR
The NAD+ precursor with the strongest safety file and EU approval.
250.0 mg 83% av studiedosen
300 mg
Hyaluronic Acid
Skin hydration and joint comfort at 120 mg/day.
120.0 mg 100% av studiedosen
120 mg
90.0 mg 18% av studiedosen
500 mg
4.0 /5
Medium confidence
34 reviews across 3 platforms (3 sources)
Source diversity: 69%
RedditTrustpilotiHerb
PraiseProdukter make users feel betterHigh perceived quality
ComplaintsTrouble canceling/pausing subscriptionsSmall sample size
Last checked: 2026-08-07

Consumer signals

4.37 out of 5 across 34 verified reviews on 3 platforms.

Medium confidence

Consumer sentiment compiled from 3 public sources.

12 reviews · 3.4/5 · mixed sentiment

PraiseProdukter make users feel better
ComplaintsTrouble canceling/pausing subscriptions
ThemesElysium Health's Trustpilot rating is middling, driven down by subscription cancellation complaints despite positive product feedback.

Compiled from Trustpilot listing located during research; verified at build time.

22 reviews · 4.9/5 · positive sentiment

PraiseHigh perceived qualityGood taste (unflavored)
ComplaintsSmall sample size
ThemesiHerb reviewers rate Elysium Cofactor very highly, though based on a small number of ratings.

Compiled from iHerb listing located during research; verified at build time.

3 threads discussed · mixed sentiment

PraiseInterest in NAD+/cellular health claims
ComplaintsSkepticism about scientific proof and price
Themesr/longevity and r/askscience threads express skepticism about Elysium's anti-aging claims despite general interest in the product line.

Compiled from Reddit listing located during research; verified at build time.

These are consumer sentiment signals. They do not measure whether the product actually works. See our evidence section for that.

What others say (unverified)

No external reviews aggregated yet for this product.

Important to know
Collagen PeptiderAdding vitamin C boosts collagen synthesis. Cold water dissolves poorly, mix in warm liquid.
NRAlmost all commercial NR uses licensed Niagen® from ChromaDex. If a product doesn't say Niagen, ask why.
Hyaluronic AcidMW matters for absorption; look for <10 kDa marketing.
Vitamin CHigh doses cause GI upset. Buffered forms gentler. Liposomal marketing typically overstated for chronic use.

Redaktionellt notes

A collagen peptide powder (20g/scoop, in line with typical collagen doses) stacked with Elysium's standard 250mg NR dose, 120mg hyaluronic acid, and 90mg vitamin C. Reasonable ingredient logic for skin/joint support with an NAD+ angle, priced at the premium end of collagen powders ($2.68/serving).

In plain language

Why this scored this way

This Elysium Health Cofactor scores 6.3, making it below the site average. It contains 90.0mg of Vitamin C, which is only 18% of the 500mg trial dose with grade A evidence (strong human trial data). The quality transparency (5.0) is limited by the lack of third-party testing.

What drives the score up

  • Dose-evidence score of 6.6 shows decent alignment with trial doses.
  • Collagen Peptider is dosed at the full research level with grade B evidence (promising human data, not yet comprehensive).
  • Collagen Peptider is also dosed at the full research level.

What drags it down

  • Vitamin C (90.0mg is 18% of the 500mg trial dose) is significantly under-dosed.
  • Collagen Peptider (20000.0mg is 200% of the 10000mg trial dose) is well above the trial dose. More is not always better.
  • No third-party testing, which caps the quality transparency.
  • Quality transparency of 5.0 is below the site average.
  • Limited consumer feedback (community score: 6.0).

Why you'd choose it

  • You want a reasonably priced connective tissue product.
  • You want Vitamin C from a Elysium Health product.

Why you might skip it

  • You want third-party verified purity.
  • You want a product with a publicly available CoA.
  • You need a full trial dose of vitamin c (this product under-doses it).
Go deeper

Where this sits

Varumärke owners

Spot an error?

If you are the manufacturer or brand owner of Cofactor and believe any data on this page is incorrect (wrong dose, wrong ingredient, wrong price, missing certification, outdated status), you can request a correction.

We review every request, verify it against primär sources, and publish any change with a dated note in the version history above. Corrections from brand owners are treated the same as corrections from anyone else: verified before they move.

Request a correction →
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