NOW UC-II Undenatured Type II Collagen.

The gap this formula speaks to.

Public health figures the engine matched to this formula's ingredients. Reported by their source, cited and dated, never written by the brand.

Population figures from public health data. Context for the category, not a statement about any individual and not a claim about this product.

Every one of these is a fact the engine could ground.

Each line below was derived from this formula's own record at the time of verification. Nothing here was written by the brand, and nothing can be added that the evidence does not carry.

• Studied in people13 human studies on Calcium back this formula, each one cited.
• A mechanism that is settledHow Calcium and Standardized Chicken Cartilage work is settled pharmacology.
• Studied together, not just separatelyStandardized Chicken Cartilage and Calcium have been studied together, not only separately.
• Recent work on the recordThe most recent study on this record was published in 2024.
• Why this formatIt is a capsule, so the amount per serving is fixed and travels without measuring.
• The exact form, describedThe label names its forms exactly: Calcium carbonate, Native, non-hydrolysed cartilage protein, Whole algal mineral powder. The record says what each one is and what it suits.
• Full label disclosureEvery ingredient on this label carries its own declared amount.
• Where it comes from and how it is madeCalcium is made by mineral.
• Positions this formula already qualifies forThis formula already qualifies for positions beyond the one it is sold into, on the evidence it carries.
• A position nobody is holding yetSome of those positions are ones almost nobody is selling to yet.
• Interaction screen on the recordEvery active on this label was screened against the interaction record, and the screen is published with it.

What the trials show about timing.

Time-to-effect windows the engine read from the trial record. Each is a window a named study measured, cited and dated, never written by the brand.

• Calciumwithin about one to six hours of a single doseMeasured within a day

  A randomised cross-over trial in ten women of mean age 69 gave a single 500 mg dose of calcium as citrate fasting, citrate with a meal, fortified juice or a dairy product meal, with blood drawn before and at 1, 2, 4 and 6 hours. Serum ionised and total calcium increased significantly from baseline over six hours, with the rise similar after fortified juice, delayed when citrate was taken with a meal and smaller after the dairy meal. A separate double-blind cross-over trial in 25 postmenopausal women measured parathyroid hormone and a bone resorption marker 12 hours after a single calcium dose. Ten participants is a small sample, and what moved was blood chemistry, not a sensation.

  Bristow et al., 2015 (Br J Nutr)PMID 25851635

  Thomas et al., 2008 (Calcif Tissue Int)PMID 18553042

  Promising

Windows measured in the cited trials. Context for how the active behaves over time, not a statement about any individual and not a claim about this product.

How each ingredient usually behaves over time.

Three ingredients, from each one's own page.

• Calcium

  No acute sensation. Parathyroid hormone responds within hours, while bone density shifts over a year or more of steady intake, so this reads on a panel and a scan.

  Its own page, the plain answer on timing ↗

• Standardized Chicken Cartilage

  Joint comfort changes in trials showed up around weeks eight to twelve. Oral tolerance builds slowly, so this is a months-long ingredient rather than a weekly one.

  Its own page, the plain answer on timing ↗

• Seaweed Derived Minerals

  There's no sensation to time. Bone mineral changes read on a scan over six to twelve months, while blood calcium stays inside its regulated range the whole time.

  Its own page, the plain answer on timing ↗

How each ingredient usually behaves over time, from its own page on IngredientMD. General timing for the ingredient, not a measurement of this product.

The same ingredient, carried differently.

What each form is, and where it fits in a formula. Measured findings carry the study that reported them.

• Algae-derived calcium

  Mineralised skeletal remains of red marine algae, chiefly Lithothamnion calcareum, harvested after the algae die and settle. The mineral core is calcium carbonate with magnesium and a spread of trace elements held in a porous honeycomb structure rather than a dense crystal.

  Fits

  Vegan and plant-sourced positioning, which the mineral salts and bone-derived forms cannot serve, and multi-mineral bone formulas that want magnesium and trace elements arriving in the same raw material.

  Trade-off

  No human outcome trial is carried for this form in this record.

Descriptions of the form itself, read from the cited studies. Not a comparison between products and not a statement about any individual.

Capsule

It is a capsule, so the amount per serving is fixed and travels without measuring.