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Fulvic acid

Supplement mineral complex general nutrition
Aka: humic acid, trace mineral drops, shilajit constituent
Brands seen in Singapore: Nutricost, Paradise Herbs, Swanson Vitamins, Youtheory, EVLution Nutrition
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
Limited human evidence — no established use in people
Pros & cons
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
Sources
  1. 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) · read 2026-08-27
    what it says
    “No severe adverse events occurred, demonstrating CHD-FA to be safe at the dose tested.”
  2. Gandy et al. 2012 (Clin Pharmacol) — study design and dosing · read 2026-08-27
    what it says
    “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”
  3. Stohs, Safety and efficacy of shilajit (mumie, moomiyo) (Phytother Res 2014) · read 2026-08-27
    what it says
    “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”
  4. Stohs 2014 (Phytother Res) — active constituents and the call for standardised products · read 2026-08-27
    what it says
    “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.”
  5. 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 · read 2026-08-27
    what it says
    “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.”
  6. iHerb Singapore — Shilajit category page, default “Featured” order, 41 results (sg.iherb.com/c/fulvic-acid returns HTTP 404) · read 2026-08-27
    what it says
    “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”
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Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.