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Iodine Supplement FAQ

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. The information on this page, including the reference chart below, is provided for general informational and educational purposes only. It is not medical advice and should not be used as a substitute for professional medical guidance. Always consult a qualified, licensed healthcare provider before starting any supplement regimen, changing your serving size, or making any health-related decision. Individual needs vary. Lugols Originals makes no recommendation as to what serving size is appropriate for any individual.

Iodine Concentration Reference Chart

This chart shows the approximate iodine content per drop across Lugols Originals concentrations. It is provided as a general reference only — not as a dosing recommendation. Consult your healthcare provider to determine what, if any, serving size is appropriate for you.

Concentration	Iodine per Drop (approx.)	Drops Needed for 1 drop equivalent of 5%	Best For
2% Lugol’s / Liquid Iodine	~2.5 mg I₂ + KI per drop	2.5 drops	Beginners, fine-tuned serving control
5% Lugol’s / Liquid Iodine	~6.25 mg I₂ + KI per drop	1 drop	Most common starting point for experienced users
7% Lugol’s	~8.75 mg I₂ + KI per drop	0.7 drops	Mid-range efficiency
10% Lugol’s / Liquid Iodine	~12.5 mg I₂ + KI per drop	0.5 drops	Experienced users, storage efficiency
15% Lugol’s	~18.75 mg I₂ + KI per drop	0.33 drops	High-yield, fewer drops per serving
20% Lugol’s / Liquid Iodine	~25 mg I₂ + KI per drop	0.25 drops	Maximum concentration, long-term storage
2% Nascent Iodine	~KI in vegetable glycerin base	N/A	Glycerin-base preference, mild taste

Important notes on this chart:

Milligram figures are approximate and based on standard Lugol’s Solution formulation ratios. Verify against your specific product label before use.
This chart is for concentration comparison purposes only — it is not a serving size guide.
Higher concentrations are not inherently better. The right concentration depends on your preferred serving size and any guidance you have received from a healthcare provider.
Do not use this chart to self-determine a serving size. Consult a qualified healthcare provider.

Disclaimer: Lugols Originals provides this reference chart as general educational information only. We make no recommendation as to appropriate serving sizes for any individual. The iodine content figures shown are approximations based on standard formulation ratios and may vary slightly by batch. Always read your product label and consult a licensed healthcare provider before use. This information is not intended to diagnose, treat, cure, or prevent any disease.

Common questions about liquid iodine supplements — what they are, how to choose a concentration, how to use them, and how they’re made. Whether you’re new to iodine drops or comparing options, this page covers what you need to know before you buy.

Product Basics

What is Lugol’s Solution?

Lugol’s Solution is a liquid iodine formula containing two active ingredients: molecular iodine (I₂) and potassium iodide (KI) dissolved in purified water. It was first developed in the 1800s and remains one of the most widely recognized liquid iodine formulas available. Lugols Originals makes Lugol’s Solution in six concentrations — 2%, 5%, 7%, 10%, 15%, and 20% — in 2oz and 4oz amber glass dropper bottles.

What is Nascent Iodine?

Nascent Iodine is a liquid iodine supplement containing potassium iodide (KI) in a base of purified water and food-grade vegetable glycerin — no alcohol, no artificial additives. Some users and practitioners prefer it for its mild taste and glycerin-based format. Whether Nascent Iodine is absorbed differently than water-based iodine formulas is not established by clinical evidence — preference between the two is typically a matter of personal choice or practitioner guidance.

What’s the difference between Lugol’s Solution, Nascent Iodine, and Liquid Iodine?

All three are liquid iodine supplements, but they differ in formula and base. Lugol’s Solution contains molecular iodine (I₂) and potassium iodide (KI) in purified water. Nascent Iodine contains potassium iodide (KI) in purified water and food-grade vegetable glycerin — no alcohol. Liquid Iodine uses the same formula as Lugol’s Solution — molecular iodine and potassium iodide in purified water — and is offered under a name that many buyers search for directly. All are available from Lugols Originals.

What are the ingredients in Lugols Originals iodine products?

Lugol’s Solution and Liquid Iodine contain three ingredients: molecular iodine (I₂), potassium iodide (KI), and purified water. Nascent Iodine contains potassium iodide (KI), purified water, and food-grade vegetable glycerin — no alcohol, no artificial additives. Always verify against the label on your specific bottle before use.

Where is Lugols Originals iodine made?

Lugols Originals iodine products are manufactured in the U.S.A. and shipped from Brooklyn, New York.

Choosing a Strength or Concentration

How do I know what percentage iodine to buy?

The percentage refers to how much iodine is in the solution — a higher percentage means more iodine per drop. If you’re new to liquid iodine supplements, starting with a lower concentration (2% or 5%) is a common approach, as it allows you to establish your preferred serving size with more drops and more control. If you’ve been directed to a specific strength by a practitioner, use that. See our full concentration range: 2%, 5%, 7%, 10%, 15%, 20%.

What’s the difference between 2% and 5% Lugol’s Solution?

The difference is the amount of iodine per drop. At 5%, each drop delivers 2.5 times more iodine than a drop of 2%. This means you need fewer drops per serving at 5% to reach the same amount. Neither is inherently better — the right choice depends on your preferred serving size and whether you’ve been directed to a specific concentration.

Which iodine concentration is best for beginners?

Most people new to liquid iodine supplements start with 2% or 5%, as the lower concentration per drop makes it easier to measure and adjust serving size gradually. Higher concentrations (10%, 15%, 20%) are better suited to users who already know their preferred serving size and want a more efficient per-drop format.

Is there a difference between 2oz and 4oz bottles?

The formula is identical — the only difference is volume. A 4oz bottle contains twice as much solution as a 2oz bottle, making it a better value for regular users who go through a bottle quickly or want to reduce reorder frequency.

Usage and Practical Questions

How do I take liquid iodine drops?

Add the recommended number of drops to a glass of water or juice and drink. Use the glass dropper included with your bottle for consistent, precise measurement. Follow the serving guidance on your product label. Consult a qualified healthcare provider before use if you are pregnant, nursing, taking prescription medications, or have a known sensitivity to iodine.

Can I mix liquid iodine with food or drinks?

Yes. Liquid iodine drops can be added to water, juice, or other beverages. Some users add drops directly to food. Note that iodine can impart a mild taste at higher concentrations — mixing into a strongly flavored drink can help if taste is a concern.

How should I store iodine drops?

Store your iodine drops in a cool, dark location away from direct light, heat, and humidity. Keep the cap tightly closed when not in use. Lugols Originals bottles are amber glass specifically to protect the solution from light degradation. Do not store near heat sources or in direct sunlight.

How long does a bottle of liquid iodine last?

At a standard serving size, a 2oz bottle provides approximately a 30-day supply. Supply duration varies depending on your serving size — larger servings will go through a bottle faster, smaller servings will extend it. Higher-concentration formulas require fewer drops per serving, so a given bottle volume goes further in terms of serving count at equivalent iodine amounts.

Sourcing and Quality

Is Lugols Originals iodine third-party tested?

Please contact us directly at info@lugolsnaturals.com for current information on testing and quality documentation for specific products. We recommend verifying any quality claims against current documentation before making a purchase decision.

What makes Lugols Originals different from other iodine brands?

Lugols Originals focuses on a clean, minimal formula — three ingredients, nothing extra — manufactured in the U.S.A. and packaged in amber glass dropper bottles to protect solution integrity. We offer six Lugol’s Solution concentrations from 2% to 20%, plus Nascent Iodine and Liquid Iodine lines, giving buyers a wide range of options in a single brand.

Comparison and Consideration

What’s the shelf life of liquid iodine?

Lugol’s Solution and Liquid Iodine are shelf-stable when stored properly. Iodine in solution does not degrade rapidly when kept in a sealed amber glass bottle away from light and heat. For specific shelf-life information on your bottle, refer to the label or contact us at info@lugolsnaturals.com.

Is liquid iodine better than iodine capsules or tablets?

Neither format is clinically established as superior. Liquid iodine drops allow for flexible, drop-based dosing — you can adjust the amount per serving precisely, which fixed-dose capsules and tablets don’t allow. Some users prefer the control and simplicity of drops; others prefer the convenience of a pre-measured capsule. The right format is a matter of personal preference or practitioner guidance.

Emergency Preparedness and Long-Term Storage

Can iodine be stored long-term for emergency preparedness?

Yes. Lugol’s Solution and Liquid Iodine are shelf-stable when stored properly in a cool, dark, dry location. The amber glass dropper bottle protects the solution from light degradation. Many emergency preparedness planners include iodine supplements as part of a broader wellness supply alongside water purification tools and other essentials.

What’s the best iodine concentration for stockpiling?

Higher concentrations (10%, 15%, 20%) are more storage-efficient for long-term supply because each drop delivers more iodine, meaning a given bottle volume provides more servings. The tradeoff is that higher concentrations require more precise measurement per serving. For preparedness buyers who know their preferred serving size, the 10% or 20% formulas are the most compact long-term storage options.

Does Lugols Originals sell water purification products?

Yes. We carry Polar Pure, an iodine-based water purification system designed for field and emergency use. It uses crystalline iodine to disinfect water and is packaged in a compact, reusable glass bottle with a built-in thermometer and dosing chart. It is a water purification product, not a dietary supplement.

Still Have Questions?

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.