{"ok":true,"entry":{"slug":"fulvic-acid","kind":"supplement","name":"fulvic acid","aliases":["humic acid","trace mineral drops","shilajit constituent"],"brands_sg":["Nutricost","Paradise Herbs","Swanson Vitamins","Youtheory","EVLution Nutrition"],"class":"mineral complex","tags":["general"],"use_for":"limited human evidence — no established use in people","use_after":null,"use_duration":null,"take_with":null,"pros":["one human safety study saw no severe adverse events"],"cons":["human trials are small, short and product-specific","sold mostly as shilajit — fulvic content rarely stated","not named in hsa's annexes — silence is not clearance"],"dose_note":"the human safety study used 40 ml of 3.8% carbohydrate-derived fulvic acid twice daily for one week; no general dose is established","dosage":{"ul":null,"unit":null,"fda_dv":null,"rda_ai":null,"ul_status":"none_established","population":"general adult","hsa_max_daily":null},"ul_status":"none_established","sg_class":null,"cautions":["shilajit products vary — the safety review asks for standardised products","human data is a handful of small studies, mostly of one branded liquid","hsa's annexes do not name fulvic acid; that is not a clearance"],"clashes":[],"sources":[{"id":"gandy2012","url":"https://europepmc.org/article/PMC/PMC3304339","label":"Gandy et al., Phase 1 clinical study of the acute and subacute safety and proof-of-concept efficacy of carbohydrate-derived fulvic acid (Clin Pharmacol 2012)","quote":"No severe adverse events occurred, demonstrating CHD-FA to be safe at the dose tested.","accessed":"2026-08-27"},{"id":"gandy2012_design","url":"https://europepmc.org/article/PMC/PMC3304339","label":"Gandy et al. 2012 (Clin Pharmacol) — study design and dosing","quote":"In this double-blind study, 30 male volunteers with predetermined atopy were randomly assigned to either Group A or Group B … both groups received either 40 mL of 3.8% CHD-FA or placebo twice daily for a period of one week","accessed":"2026-08-27"},{"id":"stohs2014","url":"https://europepmc.org/article/MED/23733436","label":"Stohs, Safety and efficacy of shilajit (mumie, moomiyo) (Phytother Res 2014)","quote":"relatively few well-controlled human studies have been conducted on the effects of shiliajit, although a growing number of studies have been published in recent years involving animal and in vitro systems","accessed":"2026-08-27"},{"id":"stohs2014_constituents","url":"https://europepmc.org/article/MED/23733436","label":"Stohs 2014 (Phytother Res) — active constituents and the call for standardised products","quote":"Key constituents in shilajit responsible for these effects appear to be dibenzo-α-pyrones and fulvic acid and their derivatives … Additional well-controlled human and animal studies involving the use of standardized products are needed.","accessed":"2026-08-27"},{"id":"hsa_annex_scope","url":"https://file.go.gov.sg/hsa-chp-prohibited-restricted-ing-guidelines.pdf","label":"HSA Singapore — Prohibited and Restricted Ingredients in HS and TM, GL-CHPB-1-012 Rev. 001 (Oct 2025), clauses 3.1–3.2 (scope of Annex A/B); fulvic and humic acid appear in neither annex","quote":"A list of these substances which TM and HS should not contain except subject to such restrictions and conditions to ensure safety in Singapore is provided in Annex A. This list is not exhaustive.","accessed":"2026-08-27"},{"id":"iherb_sg","url":"https://sg.iherb.com/c/shilajit","label":"iHerb Singapore — Shilajit category page, default “Featured” order, 41 results (sg.iherb.com/c/fulvic-acid returns HTTP 404)","quote":"Nutricost, Shilajit, 120 Capsules … Paradise Herbs, Shilajit Premium Extract, 250 mg … Swanson Vitamins, Shilajit Extract, Standardized, 400 mg … Youtheory, Men, Shilajit … EVLution Nutrition, Shilajit, 400 mg","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:19.87501+08:00"},"disclaimer":"kozen-x is not a medical device and does not give medical advice. it lists what published sources have written down. absence of a record is not the same as safe."}