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LTH Kids Calm L-theanine

Help your kids unwind naturally. Kids Calm delivers 100 mg of L-theanine per serving — a gentle, non-sedating amino acid shown to promote relaxation and focus without drowsiness. This fruit-punch flavored liquid supports calm mood, mental clarity, and restorative sleep, all without synthetic colors, flavors, or sweeteners.*

  • 100 mg L-theanine per 3-spray serving*
  • Promotes relaxation and calm focus*
  • Supports healthy sleep patterns and emotional balance*
  • Non-sedating — encourages calm without drowsiness*
  • Naturally flavored and sweetened — no synthetic additives*
  • 30 servings per bottle
$43.99
Free Shipping on orders over $99
Unfortunately, the LTH Kids Calm L-Theanine has been discontinued.

Why You’ll Love It

Why You’ll Love It

Between school, sports, and screens, it’s easy for kids to feel overstimulated. Kids Calm helps bring them back to balance with a safe, effective dose of L-theanine — an amino acid that promotes a relaxed, focused state without sleepiness. This tasty fruit-punch formula is easy to use, gentle enough for daily support, and free of synthetic sweeteners or colors — so parents can feel confident and kids can feel calm.*

Gentle Calm, Clear Focus*

  • Promotes a calm, balanced mood and helps ease occasional stress or restlessness.*
  • Encourages focus and mental clarity without sedation.*


Better Sleep Support*

  • Helps promote a sense of relaxation to support more restorative sleep.*
  • Ideal before bedtime or anytime your child needs extra calm.*


Simple, Kid-Friendly Formula

  • Naturally flavored with fruit punch and sweetened without artificial ingredients.*
  • Convenient liquid spray — no pills or powders to mix.*


Safe, Non-Sedating, and Daily-Use Friendly*

  • Formulated for gentle, everyday support for kids’ emotional and cognitive health.*
  • Non-habit forming and free from synthetic colors, flavors, or sweeteners.*


Tested & Trusted

  • Every batch tested for identity, purity, potency, microbes, heavy metals, and contaminants*
  • Manufactured in the USA in FDA-registered, GMP-certified facilities audited annually by third parties*
  • NSF Content Certified for label accuracy and quality assurance*


A safe, non-drowsy way to help your little one relax. In a fun, fruit-punch flavored spray, the Kid’s Collection CALM provides a gentle dose of natural L-theanine, a type of protein building block derived from green tea that can help unwind stress and restore balance.*

The No List

Not only do we take pride in what we put in our supplements, we also go to great lengths to avoid putting anything harmful or unnecessary in them. The following is our current list of ingredients we refuse to put in our supplements.

Acesulfame-K (Ace-K) • Aspartame • Banned substances • Benzoic acid • Butylated hydroxyanisole (BHA) • Butylated hydroxytoluene (BHT) • Bisphenol A (BPA) • Carmine (natural red 4) • Cyclamates • Eggs • Ephedra sinica (Ma Huang) • Erythritol • Ethyl vanillin • Ethylene oxide (ETO) • FD&C numbered color pigments • Gluten • Glycols (propylene glycol) • High fructose corn syrup (HFCS) • Hydrogenated oils (partially hydrogenated oil, trans-fats) • Irradiation • Peanuts • Polyethylene glycol (PEGs) • Propyl gallate • Saccharin • Sodium benzoate • Stearates (stearic acid, magnesium stearate) • Sucralose • Sulfites (potassium bisulfite, sodium sulfite) • Synthetic Vanillin • Tertiary buthylhydroquinone (TBHQ) • Titanium dioxide

*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.

Frequently Asked Questions

What age can kids start taking the supplements?

They're formulated for 4 years old and up.


What age should kids transition from the kids' line to the adult line?

Usually around puberty or when they are in an adult shoe size, but be sure to confirm with their pediatrician.

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