Curcumin and piperine are neighbours in the Folli-Activ capsule for a pharmacokinetic reason. Curcumin from turmeric has an anti-inflammatory literature. Piperine from black pepper changes how much of an oral curcumin dose shows up in blood. The pairing is the point of this essay. The hair-cytokine context explains why curcumin is in a hair formula at all. The blood-level study did not use Folli-Activ.
The follicle reason curcumin is on the label
Philpott, Sanders, Bowen, and Kealey cultured human hair follicles with immune cytokines. Interleukin-1 alpha, interleukin-1 beta, and tumour necrosis factor-alpha potently inhibited growth. The follicles became dystrophic anagen hairs, with a condensed dermal papilla, a vacuolated matrix, and abnormal keratinization. Inflammatory cytokines are capable of shutting down a human follicle in a dish.
Aggarwal, Sundaram, Malani, and Ichikawa state that curcumin exerts anti-inflammatory effects through transcription factors, growth factors, inflammatory cytokines, protein kinases, and other enzymes. That is the pharmacological bridge from turmeric's yellow compound to the cytokine result. It is a bridge between two publications. It is not a clinical trial in which curcumin was applied to Philpott's culture system.
A formula that stops at the pharmacology and ignores absorption is unfinished. Anand and colleagues list the barriers in plain terms: poor absorption, rapid metabolism, and rapid elimination. Phase I trials tolerated curcumin at 12 grams a day, and levels in plasma still stayed low. Piperine is the adjuvant they name first, because it interferes with glucuronidation, the conjugation reaction in liver and intestinal wall that clears curcumin.
Two species, two percentages, one pairing
Shoba and colleagues measured the consequence in rats and in people, and the magnitudes do not match. Rats given 2 grams of curcumin per kilogram of body weight had moderate serum levels over four hours. Adding piperine at 20 milligrams per kilogram raised bioavailability by 154 percent, increased time to peak (P less than 0.02), and decreased half-life and clearance (P less than 0.02). The rat result is a 1.54-fold bioavailability change. It is not the human figure. Keeping the species attached to the percentage prevents a sloppy merger of the two experiments.
Humans were different in magnitude. Two grams of curcumin alone produced serum levels that were undetectable or very low. Two grams plus 20 milligrams of piperine produced higher concentrations from 15 minutes through 1 hour, statistically separated from curcumin alone at 15 minutes, 30 minutes, and 1 hour. Bioavailability increased by 2000 percent. The human result is the one that justifies spending a slot in a ten-ingredient formula on an alkaloid that is not itself a hair-growth compound. The rat result is the one that shows the direction of the effect in a second species at a stated milligram-per-kilogram dose.
A slot in the formula is a design choice
A single-ingredient curcumin capsule, judged by the Shoba volunteer arm, faces the assay floor at a 2 gram dose. A ten-ingredient formula that omits piperine accepts that problem. Folli-Activ does not omit it. Piperine is present so the curcumin in the same bottle has the partner the pharmacokinetic study used. The milligrams in Folli-Activ are not published on this page as the Shoba doses, and they are not implied to be 2 grams and 20 milligrams. The claim that is fair is categorical: both compounds are in the bottle, and the only human bioavailability comparison opened for this essay used both compounds together.
Other absorption technologies exist. Anand lists liposomes, nanoparticles, phospholipid complexes, and synthetic analogues. Those are different products. Folli-Activ uses piperine, which is the adjuvant with the volunteer blood-level comparison above. Choosing piperine is a choice of that dataset rather than a choice of a nanoparticle platform.
The rest of the 10-in-1 list does other jobs. Saw palmetto and pumpkin seed oil carry androgen and hair-count papers. Nettle root carries SHBG binding and a urinary trial. EGCG carries follicle culture. Biotin carries carboxylase chemistry. Reishi carries a six-month antioxidant crossover. Aloe carries edema and PGE2 data. Royal jelly carries 10-HDA and a skin-barrier fatty acid. Piperine's job is narrower and, on the Shoba numbers, decisive for curcumin: without the partner, the 2 gram human dose stayed at the floor of the assay.
Packs
The bottle is oral, 90 capsules, brand MY NPM FOLLI-ACTIV. On this site, 1 bottle is RM169, 3 bottles are RM447, and 6 bottles are RM699 with free shipping. Checkout is by card. Curcumin from turmeric and piperine from black pepper are two of the ten ingredients. The 2000 percent figure travels with its dose, its species, and its study. It does not travel as a hair-count percentage, because Shoba counted serum curcumin, not hairs.
Sources
- Philpott MP, Sanders DA, Bowen J, Kealey T. 1996. Effects of interleukins, colony-stimulating factor and tumour necrosis factor on human hair follicle growth in vitro. British Journal of Dermatology. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=8977716&retmode=text&rettype=abstract
- Aggarwal BB, Sundaram C, Malani N, Ichikawa H. 2007. Curcumin: the Indian solid gold. Advances in Experimental Medicine and Biology. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=17569205&retmode=text&rettype=abstract
- Anand P, Kunnumakkara AB, Newman RA, Aggarwal BB. 2007. Bioavailability of curcumin: problems and promises. Molecular Pharmaceutics. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=17999464&retmode=text&rettype=abstract
- Shoba G, Joy D, Joseph T, Majeed M, et al. 1998. Influence of piperine on the pharmacokinetics of curcumin in animals and human volunteers. Planta Medica. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=9619120&retmode=text&rettype=abstract