A single-ingredient capsule is easy to explain and easy to under-serve. Patterned thinning, inflammatory signals at the follicle, keratin chemistry, and oral absorption are not one measurement. Folli-Activ is a 10-in-1 oral formula because those jobs are published as separate jobs. No trial opened for this essay randomized Folli-Activ against a one-ingredient capsule. The argument is coverage, built from the papers, not a head-to-head product test.
One ingredient, one published action
Saw palmetto's clearest enzyme paper is Iehlé's: a lipido-sterol extract inhibited both human 5-alpha-reductase isoforms, with inhibition constants of 7.2 and 4.9 micrograms per millilitre. Rossi's open-label photograph study adds a hair endpoint at 320 milligrams a day: increased growth in 38 percent of men at two years, mainly at the vertex, against 68 percent on finasteride. A saw-palmetto-only bottle can cite those papers. It cannot cite nettle-root lignans binding SHBG, because that is Schöttner's assay, not a saw palmetto assay.
Pumpkin seed oil has Cho's 24-week hair-count trial of Octa Sabal Plus at 400 milligrams a day: mean count up 40 percent versus 10 percent on placebo, with no change in thickness. It also has Gossell-Williams's rat result on testosterone-driven prostate weight. A pumpkin-oil-only bottle stops there. It does not include Kwon's EGCG follicle-elongation curve, which reached 181.2 percent of vehicle at 5 micromolar in human anagen follicles cultured for 10 days.
Nettle root's human trial is Safarinejad's urinary study: symptom score from 19.8 to 11.8, flow up 8.2 millilitres per second, prostate volume from 40.1 to 36.3 cubic centimetres, testosterone unchanged. Hryb showed an aqueous root extract blocking SHBG binding to prostatic membranes from about 0.6 milligrams per millilitre to completion at 10. A nettle-only bottle is an SHBG and urinary-score bottle. It is not a biotin-carboxylase bottle.
The jobs a single DHT oil leaves behind
Philpott showed that IL-1 alpha, IL-1 beta, and TNF-alpha stop human follicle growth in culture and disturb keratinization. Curcumin's anti-inflammatory pharmacology, as Aggarwal states it, runs through inflammatory cytokines and transcription factors. That pharmacology is stranded if absorption fails. Shoba found that 2 grams of curcumin alone left volunteer serum levels undetectable or very low, and that 20 milligrams of piperine raised bioavailability by 2000 percent. A curcumin capsule without piperine accepts the assay floor Shoba measured. Piperine without curcumin has no hair endpoint in the papers used here. The pair is the unit.
EGCG's follicle paper and EGCG's enzyme paper disagree about scope, and a serious formula says so. Hiipakka found potent cell-free 5-alpha-reductase inhibition and no whole-cell inhibition with unmodified EGCG. Kwon found elongation and dermal-papilla proliferation. Both citations belong with the ingredient. Neither replaces biotin.
Schweizer counts 11 type I and 6 type II hair keratins. Zempleni lists hair loss among the symptoms of biotin deficiency and names the five carboxylases that depend on the vitamin. Trüeb found deficiency in 38 percent of women who came to a clinic for hair loss, and rejected indiscriminate biotin for everyone else. Biotin is in the 10-in-1 list as that cofactor, not as a substitute for Rossi's photographs.
Aloe's aqueous extract cut carrageenan edema and prostaglandin E2. Royal jelly's fatty-acid fraction is 32 percent trans-10-HDA, and synthetic 10-HDA raised filaggrin and skin hydration in Duplan's UV-xerosis study. Reishi's six-month human crossover, Chiu's enriched extract at 225 milligrams, moved antioxidant capacity and lowered TBARS and 8-hydroxy-deoxyguanosine. Choi's mice show corticosterone holding follicle stem cells in rest through Gas6. Those are three more papers a saw-palmetto-only capsule does not contain.
Where stacking failed a statistical test
Hong gave men pumpkin seed oil, saw palmetto oil, or both, at 320 milligrams, for 12 months. Each oil lowered urinary symptom scores from baseline. The combination had the largest point drop, from 19.0 to 4.7, and the paper reports no significant difference among groups. This page does not use Hong as proof that more ingredients always beat fewer ingredients. It uses Hong as a warning against that slogan. The case for ten ingredients is that the targets differ: enzyme, SHBG, follicle-culture growth signals, cytokines, keratins, barrier lipids, antioxidant labs, and curcumin glucuronidation. It is not that every combination arm in every trial separates statistically from its parts.
Packs
Folli-Activ is 90 capsules, ten ingredients, 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. The coverage argument is the one this page defends. A head-to-head of this bottle against a single extract is not a study cited here, because that study is not in the set that was opened.
Sources
- Iehlé C, Délos S, Guirou O, Tate R, et al. 1995. Human prostatic steroid 5 alpha-reductase isoforms--a comparative study of selective inhibitors. The Journal of Steroid Biochemistry and Molecular Biology. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=7577710&retmode=text&rettype=abstract
- Rossi A, Mari E, Scarno M, Garelli V, et al. 2012. Comparitive effectiveness of finasteride vs Serenoa repens in male androgenetic alopecia: a two-year study. International Journal of Immunopathology and Pharmacology. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=23298508&retmode=text&rettype=abstract
- Cho YH, Lee SY, Jeong DW, Choi EJ, et al. 2014. Effect of pumpkin seed oil on hair growth in men with androgenetic alopecia: a randomized, double-blind, placebo-controlled trial. Evidence-Based Complementary and Alternative Medicine. https://pmc.ncbi.nlm.nih.gov/articles/PMC4017725/
- Safarinejad MR. 2005. Urtica dioica for treatment of benign prostatic hyperplasia: a prospective, randomized, double-blind, placebo-controlled, crossover study. Journal of Herbal Pharmacotherapy. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=16635963&retmode=text&rettype=abstract
- Hryb DJ, Khan MS, Romas NA, Rosner W. 1995. The effect of extracts of the roots of the stinging nettle (Urtica dioica) on the interaction of SHBG with its receptor on human prostatic membranes. Planta Medica. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=7700987&retmode=text&rettype=abstract
- Kwon OS, Han JH, Yoo HG, Chung JH, et al. 2007. Human hair growth enhancement in vitro by green tea epigallocatechin-3-gallate (EGCG). Phytomedicine. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=17092697&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
- Zempleni J, Hassan YI, Wijeratne SS. 2008. Biotin and biotinidase deficiency. Expert Review of Endocrinology and Metabolism. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=19727438&retmode=text&rettype=abstract
- Hong H, Kim CS, Maeng S. 2009. Effects of pumpkin seed oil and saw palmetto oil in Korean men with symptomatic benign prostatic hyperplasia. Nutrition Research and Practice. https://pmc.ncbi.nlm.nih.gov/articles/PMC2809240/
- Chiu HF, Fu HY, Lu YY, Han YC, et al. 2017. Triterpenoids and polysaccharide peptides-enriched Ganoderma lucidum: a randomized, double-blind placebo-controlled crossover study of its antioxidation and hepatoprotective efficacy in healthy volunteers. Pharmaceutical Biology. https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=28183232&retmode=text&rettype=abstract