What 'clinically dosed' actually means

Q: What does 'clinically dosed' mean on a supplement label?

'Clinically dosed' is an unregulated marketing term. It has no legal definition in the UK or the EU. Any brand can use it on any product regardless of what is actually in the bottle. The only meaningful check is to find the primary clinical trial cited for each ingredient and compare the dose in that trial with the dose on the label. If they match, the claim may be warranted. If they do not, it is not.

Q: How do I check if a supplement is actually dosed correctly?

Three steps: (1) Find the primary RCT for each ingredient — the actual published trial, not the brand's claim about it. (2) Note the dose used in the trial. (3) Compare it with the dose on the label. If the label dose matches the trial dose, the claim is substantiated. If it does not — or if no primary trial is cited — the 'clinically dosed' claim is marketing language with nothing behind it. PubMed (pubmed.ncbi.nlm.nih.gov) is the best place to search for primary trials.

Q: What is the difference between 'clinically studied' and 'clinically dosed'?

'Clinically studied' means the ingredient has appeared in at least one published study at some dose. 'Clinically dosed' implies the product uses the same dose as the research. The distinction matters enormously. A product can accurately claim to contain a 'clinically studied' ingredient while using one-tenth of the dose tested in the study. This is extremely common in the supplement market and is the primary reason well-intentioned products produce no measurable effect.

Q: What doses does Krevie use and why?

Every dose in The Foundation and Creatine Companion matches a published clinical trial: Citicoline at 500mg matches Silveri et al. 2008 (PubMed 18816480); pine bark at 200mg matches Yang et al. 2007 (PubMed 17653885); saffron extract at 28mg daily matches Lopresti and Smith 2021 (PubMed 34463070); and creatine HCl at 1,500mg matches the CONCRET-MENOPA trial, Forbes et al. 2025 (PubMed 40854087). Vitamin D3 at 2,000 IU and vitamin K2 as MK-7 at 100mcg sit within EFSA and NHS guidance. No proprietary blends, no hidden doses.

Q: Why do so many supplements use less than the research dose?

Cost. The expensive ingredients — branded forms like Citicoline or pine bark — are priced at the doses used in research. Including 500mg of citicolinein every serving costs more than including 50mg. A product containing a token amount can still technically claim to 'contain' the ingredient. Proprietary blends make this impossible to detect, because the total blend weight is disclosed but the individual ingredient breakdown is not. This is why both dose transparency and the absence of proprietary blends matter.

By The Krevie Team | Last reviewed: April 2026

"Clinically dosed" is an unregulated marketing term. It has no legal definition in the UK or EU. Any brand can use it on any product regardless of what is in the bottle. The only way to check whether the claim is genuine is to find the primary clinical trial for each ingredient and compare the dose in that trial with the dose on the label.

The phrase appears on product pages, in Instagram captions, and in podcast sponsorships with such regularity that it has become meaningless — which is a problem for any sceptical person trying to make a sensible purchasing decision.

This article explains what "clinically dosed" actually means when used correctly, what it means in practice across much of the supplement market, and how to check for yourself. It also walks through all five ingredients in The Krevie Routine as worked examples — with the actual PubMed links so you can verify the comparison yourself.

What "clinically dosed" is — and isn't

In the UK, food supplements are regulated under the Food Supplements (England) Regulations 2003. Permitted health claims on supplements are governed by EFSA (European Food Safety Authority) approved claims. Neither framework defines, restricts, or regulates the use of the phrase "clinically dosed." It is a voluntary marketing term with no corresponding legal standard.

This means any brand can put it on any label. There is no regulator checking that the dose in the product corresponds to the dose tested in a clinical trial. The term has no enforcement mechanism and no minimum standard. It is, in that sense, as meaningful as "premium" or "professional-grade" — which is to say: meaningless unless backed by verifiable evidence you can check yourself.

The term would carry meaning if it were used consistently to mean: "the dose in this product matches the dose used in the primary published clinical trial for this ingredient." Some brands use it that way. Many do not. The only way to know which category you are looking at is to do the check.

What the research shows

The "clinically studied" trick

A critical distinction — one the supplement market exploits constantly — is between "clinically studied" and "clinically dosed."

Clinically studied means the ingredient has appeared in at least one published study at some dose. It says nothing about whether the product uses that dose.

Clinically dosed, used honestly, means the product dose matches the dose tested in the relevant research.

The gap between these two claims is enormous. Consider citicoline (the active compound in citicoline). There is substantial research at doses of 250–1,000mg per day. A product could include 25mg of citicoline, truthfully claim the ingredient is "clinically studied," and price itself as premium accordingly. You, looking at the label, would have no idea the dose is ten to forty times lower than what the research used.

This is not a hypothetical. It is standard practice across a significant proportion of the UK supplement market, particularly in "menopause multis" where a long list of ingredients sounds impressive but every individual dose is decorative.

The proprietary blend problem

Proprietary blends compound this issue. Under UK food labelling rules, a manufacturer can list a "Cognitive Support Blend — 450mg" without disclosing the individual amounts of each ingredient within that blend. If the blend contains eight ingredients totalling 450mg, the expensive research-grade ingredients might contribute 20mg each while cheaper fillers make up the rest.

The label is legally compliant. The "clinically dosed" claim on the product page is not verifiable. And the customer has no way to check.

The only labelling that permits genuine dose verification is full transparency: every ingredient listed individually with its exact dose in milligrams or micrograms.

How to run the check yourself

The check is straightforward, if slightly effortful:

Find the ingredient you want to verify on the product label. Note the exact dose in mg or mcg.
Go to PubMed and search for the ingredient name plus the condition or population you care about (e.g. "citicoline cognitive women RCT" or "pine bark menopause").
Find the primary RCT. Note the dose used in the trial.
Compare. If the doses match, the claim is substantiated. If they do not, it is not.

If the brand does not cite a primary trial on its product page, that is itself informative. "Based on research" with no citation is not evidence; it is the appearance of evidence.

How this relates to Krevie — five worked examples

Krevie's position is that every ingredient dose in The Foundation and Creatine Companion should match the dose used in a published clinical trial. The five ingredients below are the complete set. Every PubMed link below is verifiable. You are encouraged to check them.

1. Citicoline (as citicoline) — 500mg

What the research used: Silveri, Dikan, Ross et al. (NMR in Biomedicine, 2008; PubMed 18816480) tested 500mg and 2,000mg citicolinein 16 healthy adults. At 500mg over six weeks, the study measured a 7% increase in phosphocreatine, a 14% increase in brain ATP, and a 32% increase in the ratio of phosphocreatine to inorganic phosphate in the anterior cingulate cortex.

Nakazaki et al. (J Nutrition, 2021; PMC8349115) used 500mg/day citicolinefor 12 weeks in 100 healthy older adults with age-associated memory impairment. The citicoline group showed significantly greater improvements in episodic memory (Paired Associates; p=0.0025) and composite memory (p=0.0052) compared with placebo.

Krevie dose: 500mg. Research dose: 500mg. ✓

2. French maritime pine bark extract — 200mg

What the research used: Yang, Liao, Zhu et al. (Acta Obstet Gynecol Scand, 2007; PubMed 17653885) enrolled 155 perimenopausal women in a randomised double-blind placebo-controlled trial using 200mg pine bark daily. All measured climacteric symptom scores improved relative to placebo. Antioxidative status increased and the LDL/HDL ratio improved.

The 200mg dose represents the high-dose arm of the pine bark research; other trials have used 100mg. Krevie uses 200mg to match this specific trial.

Krevie dose: 200mg. Research dose: 200mg. ✓

3. Saffron extract (as saffron extract) — 28mg daily (14mg twice daily)

What the research used: Lopresti and Smith (J Menopausal Med, 2021; PubMed 34463070) tested 14mg saffron extract twice daily (28mg total/day) in a 12-week randomised double-blind placebo-controlled trial in 86 perimenopausal women. The saffron group showed a 33% reduction on the psychological subscale items of the Greene Climacteric Scale and a 32% reduction on the corresponding mood subscale from baseline to week 12, both significantly greater than placebo (p=0.032).

A point worth explaining: saffron extract is standardised to contain a minimum of 3.5% Lepticrosalides — a combination of the bioactive compounds safranal and crocin isomers. This is important because 28mg of saffron extract is not the same as 28mg of raw saffron. Standardisation means the bioactive content is guaranteed at a defined level. This is why branded, standardised extracts matter for dose comparisons: a generic "saffron" at the same mg dose may deliver a fraction of the actual bioactive content.

Krevie dose: 28mg daily. Research dose: 28mg daily. ✓

4. Creatine HCl — 1,500mg

What the research used: Korovljev, Ostojic, Panic et al. (J Am Nutr Assoc, 2025; PubMed 40854087) — the CONCRET-MENOPA trial — tested creatine HCl at 750mg and 1,500mg in a randomised double-blind placebo-controlled trial in 36 perimenopausal and menopausal women over eight weeks. The 1,500mg group showed a 6.6% improvement in reaction time versus 1.2% in placebo (p<0.01) and a 16.4% increase in frontal brain creatine levels versus 0.9% in placebo (p<0.01).

The "5g creatine" dose that is standard in sports nutrition refers to creatine monohydrate. Creatine HCl has approximately 59 times the solubility of monohydrate, which is why a lower absolute dose achieves comparable intracellular availability. This is a different molecule form. Substituting 5g monohydrate for this product would be both unnecessary and not what this trial tested. Krevie uses 1,500mg creatine HCl specifically because that is the medium dose from CONCRET-MENOPA, not a cost-cutting measure.

Krevie dose: 1,500mg HCl. Research dose: 1,500mg HCl. ✓

5. Vitamin D3 (2,000 IU) and Vitamin K2 as MK-7 (100mcg)

These two operate through a well-documented nutritional mechanism: D3 increases calcium absorption; K2 as MK-7 (menaquinone-7) helps direct that calcium to bone rather than to soft tissue. The 2,000 IU D3 dose sits within the range used in the majority of published bone and immune-function research, and below the EFSA upper tolerable intake limit of 4,000 IU for adults. NHS guidance recommends 400 IU as a baseline; 2,000 IU represents a well-researched, moderate dose. The 100mcg K2 as MK-7 reflects the dose used across the primary bone research literature.

Krevie doses: 2,000 IU D3, 100mcg K2 MK-7. Consistent with the research literature and regulatory guidance. ✓

These are not proprietary blends. Every dose is printed on the label. Every dose corresponds to a cited trial. That is what makes "clinically dosed" a meaningful claim in this context — and it is a claim you can verify with a PubMed search and two minutes of comparison.

The Krevie Routine — The Foundation plus Creatine Companion — is priced at £49 for the first month, £75 recurring.

Frequently asked questions

What does "clinically dosed" mean on a supplement label?

"Clinically dosed" is an unregulated marketing term with no legal definition in the UK or the EU. Any brand can use it on any product regardless of what is actually in the bottle. The only meaningful check is to find the primary clinical trial cited for each ingredient and compare the dose in that trial with the dose on the label. If they match, the claim may be warranted. If they do not, it is not.

How do I check if a supplement is actually dosed correctly?

Three steps: (1) Find the primary RCT for each ingredient — the actual published trial, not the brand's claim about it. (2) Note the dose used in the trial. (3) Compare it with the dose on the label. If the label dose matches the trial dose, the claim is substantiated. If it does not — or if no primary trial is cited — the "clinically dosed" claim is marketing language. PubMed is the right place to search for primary trials.

What is the difference between "clinically studied" and "clinically dosed"?

"Clinically studied" means the ingredient has appeared in at least one published study at some dose. "Clinically dosed" implies the product uses the same dose as the research. A product can accurately claim to contain a "clinically studied" ingredient while using one-tenth of the research dose. This is extremely common and is the primary reason well-intentioned products produce no measurable effect.

What doses does Krevie use and why?

Every dose in The Krevie Routine matches a published clinical trial: citicolineat 500mg (PubMed 18816480); pine bark at 200mg (PubMed 17653885); saffron extract at 28mg daily (PubMed 34463070); creatine HCl at 1,500mg (PubMed 40854087). No proprietary blends. Every dose on the label.

Why do so many supplements use less than the research dose?

Cost. The expensive ingredients — branded forms like citicolineor pine bark — are priced at the doses used in research. Including 500mg of citicolinein every serving costs more than including 50mg. A product with a token amount can still claim to contain the ingredient. Proprietary blends make this impossible to detect. This is why dose transparency and the absence of proprietary blends matter together — one without the other is insufficient.

References

Silveri MM, Dikan J, Ross AJ, et al. Citicoline enhances frontal lobe bioenergetics as measured by phosphorus magnetic resonance spectroscopy. NMR Biomed. 2008;21(10):1066–75. PubMed 18816480
Nakazaki E, Mah E, Sanoshy K, et al. Citicoline and Memory Function in Healthy Older Adults. J Nutrition. 2021. PMC8349115
Yang HM, Liao MF, Zhu SY, Liao MN, Rohdewald P. A randomised, double-blind, placebo-controlled trial on the effect of pine bark on the climacteric syndrome in peri-menopausal women. Acta Obstet Gynecol Scand. 2007;86(8):978–85. PubMed 17653885
Lopresti AL, Smith SJ. The Effects of a Saffron Extract on Menopausal Symptoms in Women during Perimenopause. J Menopausal Med. 2021. PubMed 34463070
Korovljev D, Ostojic J, Panic J, et al. The Effects of 8-Week Creatine Hydrochloride and Creatine Ethyl Ester Supplementation on Cognition, Clinical Outcomes, and Brain Creatine Levels in Perimenopausal and Menopausal Women (CONCRET-MENOPA). J Am Nutr Assoc. 2025. PubMed 40854087
Luzzi R, Belcaro G, Hosoi M, et al. Normalization of cardiovascular risk factors in peri-menopausal women with pine bark. Minerva Ginecol. 2017. PubMed 28116886

Food supplement disclaimer: The Foundation, Creatine Companion, and The Krevie Routine are food supplements. They are not medicines and are not intended to diagnose, treat, cure, or prevent any disease or medical condition. Supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. If you are pregnant, breastfeeding, taking medication, or have a medical condition, consult your GP or a qualified healthcare professional before use. Keep out of reach of children.

What 'clinically dosed' actually means — and how to check