Bromine.
Bromine reaches you as bromide from food, water and the environment. Your immune cells use it to make hypobromous acid, the one clear role it has in the body.
- Category
- Mineral
What Bromine is, and what it does.
- Does it work
- Relevant to anyone reading a mineral label or wondering about brominated ingredients. There's no requirement to meet and no gap to fill.
- How much to take
- No recommended intake exists, because no human requirement has been established. Ordinary diet and water already supply what shows up in the body.
- Time to feel it
- There's no timeline to give, since no deficiency state is defined in humans and there's nothing to correct.
- The first dose
- A day of normal exposure passes without any sensation. Bromide moves into extracellular fluid and leaves slowly through the kidneys.
- With regular use
- Over weeks bromide accumulates while intake continues, since clearance runs over days to weeks. Sustained excess acts on nerve and skin function.
- How well tolerated
- Ordinary dietary exposure is unremarkable. Sustained high intake is a real concern for nerve and skin function, so avoid repeated brominated sources and ask your doctor.
- How it feels
- Nothing subjective at everyday exposure. Where it shows up is in laboratory chemistry, including a falsely elevated chloride result.
- The overlooked benefit
- Eosinophils prefer bromide over chloride when they generate their oxidative burst, which is the only well-described role bromide plays in human biology.
The proof, claim by claim.
These words describe the research, not the molecule's worth. Research strength is how much work stands behind one claim, and it is never a product score.
- hypobromous acid generation by eosinophil peroxidaseIn vitro study
- absence of an established human requirement or deficiency stateNarrative review
- transport by the sodium iodide symporter in competition with iodideIn vitro study
- slow accumulation and clearance through chloride-shared renal routesNarrative review
- neurological and skin effects of sustained excess bromideNarrative review
Why these belong in the same formula. Each row says what the basis is, from settled biochemistry through to a trial that measured the pair.
The kidney does not distinguish bromide from chloride well, so the two are reabsorbed and excreted through shared routes. Raising chloride intake accelerates the clearance of bromide, and restricting chloride slows it. This is the established basis of how excess bromide is cleared in a clinical setting, which is a supervised medical situation rather than something to attempt independently.
Bromide distributes through the extracellular fluid in the same space as chloride, so total halide balance is what determines where it sits and how fast it leaves. An electrolyte product's chloride content is therefore relevant to bromide kinetics. The interaction is about ion handling and not about any nutritional benefit of bromide.
Nothing specific on file for Bromine. Match the label to the daily amount above, and tell your doctor what you take.
Not medical advice. Show the label to your pharmacist.What Bromine actually does.
The body mistakes bromide for chloride, so it hangs around for a long time before it leaves.
It uses the same door into the thyroid as iodine, so a lot of it can get in the way.
One type of white blood cell uses bromide to make a reactive compound as part of its attack chemistry.
Nobody needs to take bromine. There is no daily requirement and no known deficiency.
Where Bromine comes from.
It is pulled out of salty underground water and from places like the Dead Sea. On its own it is a corrosive liquid, so anything you might ever encounter is a bromide salt rather than bromine itself.
From a mineral source, then refined and usually bound to a carrier so the body can take it up.
Commercial bromine comes from concentrated brines, notably the Dead Sea and deep underground brine deposits in the United States and China, where bromide is present at far higher concentration than in open seawater.
Chlorine gas is passed through acidified brine, oxidising bromide ion to elemental bromine. This is the same halide substitution chemistry that governs bromide behaviour in the body.
The liberated bromine is blown out of the brine with steam or air and condensed.
Crude bromine is distilled to remove chlorine and organic contamination.
For any use involving ingestion the element is converted to a salt such as sodium or potassium bromide. Elemental bromine is a corrosive liquid and is never an ingestible ingredient.
Getting Bromine from food.
The whole-food sources on file. A supplement closes the gap, it does not replace dinner.
A gram-for-gram figure (how much of each you would eat to match a dose) will appear here once it is sourced and reviewed. This page will not print a number it cannot cite.
The forms it comes in.
The essence, in one line each.
- Describes a single patient with chronic bromine intoxication presenting alongside renal tubular dysfunction of the Fanconi type.Case report. Makio Y et al., 2024 (Intern Med). PMID 38692916 ↗
- Tracked how bromoform-derived bromine metabolites form over time in a simulated rumen fermentation system.In vitro study. Muizelaar W et al., 2026 (Animal). PMID 42364275 ↗
- Reported performance effects of feeding a bromoform-containing seaweed to dairy cattle for methane reduction.Animal study. Angellotti M et al., 2025 (J Dairy Sci). PMID 39778806 ↗
These are the studies our verdict leans on, chosen from the 3 we read for Bromine. The full linked list is below.
The studies, linked.
1 source behind our Bromine verdict: peer-reviewed studies and registered clinical trials. Every one links straight to PubMed, the journal, or ClinicalTrials.gov. Read them yourself.
- Clinical trialStudy on the Pharmacokinetics of Bromine Hexane Hydrochloride Tablets in Healthy AdultsClinicalTrials.gov ↗Phase 1, 33 participants, Completed
Evidence surfaced via Semantic Scholar (Allen Institute for AI) and ClinicalTrials.gov. Ranked by study type and citation weight, not cherry-picked.
Problems people have reported.
Read this carefully. These are 1,465 voluntary, unverified reactions reported to the FDA (openFDA). The number mostly reflects how popular Bromine is, not how risky it is. A report is not proof Bromine caused anything. It is a signal of what to watch for, nothing more.
Source: openFDA adverse-event reports. Voluntary reporting, not an incidence rate.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.