Cited Dose vs. Delivered Dose: Why the Studies Behind a Product Aren't the Product

A product page says an ingredient is "clinically studied." That is true in the narrow sense that some study, somewhere, tested that ingredient in humans. It does not tell you whether the amount in the bottle you can buy matches the amount that was actually tested. Those are two different numbers — the cited dose (what the research used) and the delivered dose (what the label discloses) — and the gap between them is one of the most common ways supplement marketing is technically accurate and still misleading.

Why the same ingredient can mean two different doses

Every ingredient page on this site lists a studied dose range because that range is the entire basis for believing the ingredient does anything measurable. A product is free to include that ingredient at any amount it chooses — including far below the range where an effect was ever observed. Both a fully-dosed product and an under-dosed one can legally print the same ingredient name on the label, and often the same list of background citations about that ingredient in general. The citation proves the ingredient has been studied. It does not prove the product's specific amount was.

Proprietary blends make this worse — and unverifiable

A "proprietary blend" lists several ingredients under one combined milligram total, with no per-ingredient breakdown. That format doesn't just make comparison harder — it makes this entire check impossible. You cannot compare a hidden number to a studied dose. That is the specific reason our label guide treats proprietary blends as a hard stop, not a minor style choice.

A worked example, using fully disclosed numbers

This comparison requires a product that actually discloses every ingredient's individual dose — most do not. Mind Lab Pro is a widely available nootropic that does disclose full per-ingredient amounts on its own published label, with no proprietary blend, which is a genuinely good practice and exactly what makes a transparent, factual comparison possible at all. The numbers below are taken directly from Mind Lab Pro's own publicly published Supplement Facts panel (mindlabpro.com, accessed 2026-07-06), set next to the human studies its own ingredient-education pages and general marketing reference for those same compounds.

• Bacopa Monnieri — label: 150 mg (24% bacosides). Studied: 300 mg/day of a ~50% bacoside standardized extract improved delayed recall and attention measures over 12 weeks (Calabrese et al. 2008; Morgan & Stevens 2010). The label dose is half the studied amount, and the bacoside standardization also differs (24% vs ~50%).
• Rhodiola Rosea — label: 50 mg (3% rosavins, 1% salidroside). Studied: 170 mg/day reduced stress-related mental fatigue in physicians on night duty (Darbinyan et al. 2000); 100 mg/day improved self-reported fatigue in students during exams (Spasov et al. 2000). The label dose sits at roughly one-third to one-half of the doses used in these trials, at the same standardization.
• Citicoline — label: 250 mg (as Cognizin). Studied: 250 mg and 500 mg/day both improved sustained-attention measures over 28 days (McGlade et al. 2012). The label dose matches the lower end of the studied range — not under-dosed.
• L-Theanine — label: 100 mg. Studied: single doses of 50–200 mg affected EEG alpha activity (Nobre et al. 2008); 250 mg improved reaction time and working memory when paired with caffeine (Haskell et al. 2008). The label dose falls within the commonly studied range.
• Phosphatidylserine — label: 100 mg (from sunflower lecithin). Studied: 100 mg or 300 mg/day improved delayed verbal recall in a low-baseline subgroup over 6 months (Kato-Kataoka et al. 2010). The label dose matches the lower end of the studied range.

What this does — and doesn't — prove

• It doesn't prove a lower-dosed ingredient does nothing. Dose-response relationships are rarely a hard on/off switch, and some effects may partially hold at lower amounts — that has simply not been tested for these specific under-studied amounts.
• It doesn't prove a studied-dose match guarantees an effect either. Matching the study dose is necessary for the citation to be meaningful, not sufficient on its own — extract standardization, sourcing, and individual response still matter.
• It does show that "clinically studied ingredient" and "clinically studied amount, in this product" are two different claims, and marketing rarely distinguishes them.

Why full disclosure is the real differentiator

The ability to run the comparison above at all — ingredient by ingredient, against real citations — depends entirely on a brand disclosing every dose. That transparency is the actual prerequisite for accountability in this category, more so than any single number. It is also the standard we hold ourselves to: every ingredient under consideration for Signal State Core is evaluated against its studied dose range, with no proprietary blends, as a working commitment — final formulation and label claims remain subject to manufacturing and regulatory review before anything ships.

How to check any product yourself

• Find the ingredient's studied dose range (our ingredient pages list these, with citations).
• Compare it to the label's per-ingredient milligram amount — not to a total or a blend weight.
• Check the standardization percentage on herbal extracts; the same milligram number can mean different potency.
• Treat any proprietary blend as unverifiable by definition, regardless of how many studies are cited nearby.

How to think about it

A citation next to an ingredient name tells you the ingredient has research behind it somewhere. It does not tell you the product matches that research's dose. Ask for the specific number, compare it to the studied range, and treat brands that make the comparison easy — full disclosure, no blends — as the ones actually inviting scrutiny rather than hoping you skip this step.

References

• Mind Lab Pro Supplement Facts panel and complete ingredient list, mindlabpro.com, accessed 2026-07-06.
• Calabrese C, Gregory WL, Leo M, et al. "Effects of a standardized Bacopa monnieri extract on cognitive performance, anxiety, and depression in the elderly." Journal of Alternative and Complementary Medicine, 2008;14(6):707–713. PMID: 18611150.
• Morgan A, Stevens J. "Does Bacopa monnieri improve memory performance in older persons?" Journal of Alternative and Complementary Medicine, 2010;16(7):753–759. PMID: 20590480.
• Darbinyan V, Kteyan A, Panossian A, et al. "Rhodiola rosea in stress induced fatigue." Phytomedicine, 2000;7(5):365–371. PMID: 11081987.
• Spasov AA, Wikman GK, Mandrikov VB, et al. "A double-blind, placebo-controlled pilot study of the stimulating and adaptogenic effect of Rhodiola rosea." Phytomedicine, 2000;7(2):85–89. PMID: 10839209.
• McGlade E, Locatelli A, Hardy J, et al. "Improved attentional performance following citicoline administration in healthy adult women." Food and Nutrition Sciences, 2012;3(6):769–773.
• Nobre AC, Rao A, Owen GN. "L-theanine, a natural constituent in tea, and its effect on mental state." Asia Pacific Journal of Clinical Nutrition, 2008;17(S1):167–168. PMID: 18296328.
• Haskell CF, Kennedy DO, Milne AL, Wesnes KA, Scholey AB. "The effects of L-theanine, caffeine and their combination on cognition and mood." Biological Psychology, 2008;77(2):113–122. PMID: 18006208.
• Kato-Kataoka A, Sakai M, Ebina R, et al. "Soybean-derived phosphatidylserine improves memory function of the elderly." Journal of Clinical Biochemistry and Nutrition, 2010;47(3):246–255. PMID: 21103034.