KAL GABA L-Theanine Stress B, Mango Tangerine, 100 Lozenges supplement bottle
KAL

GABA L-Theanine Stress B, Mango Tangerine, 100 Lozenges

What We Researched
12 active ingredients analyzed · 9 inactive ingredients decoded · 3 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
77
Product Score Fair
73
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid) 10 mg 11%
Thiamine (as Thiamine Mononitrate) (B-1) 4 mg 333%
Niacin (B-3) 4 mg 25%
Vitamin B-6 (as Pyridoxine HCl) 10 mg 588%
Folate ( 400 mcg Folic Acid) 680 mcg DFE 170%
Vitamin B-12 (as Cyanocobalamin Methylcobalamin) 1,000 mcg 41,667%
Pantothenic Acid (as Calcium Pantothenate) 10 mg 200%
Choline (from Choline Bitartrate) 3.9 mg <1%
GABA (Gamma Amino Butyric Acid) 50 mg *
L-Theanine 50 mg *
Inositol (as Inositol Hexahydroxycyclohexane) 10 mg *
Bioavailability Good

Absorption Rating

  • Vitamin C (as Ascorbic Acid) Fair
  • Thiamine (as Thiamine Mononitrate) (B-1) Fair
  • Niacin (B-3) Good
  • Vitamin B-6 (as Pyridoxine HCl) Fair
  • Folate ( 400 mcg Folic Acid) Fair
  • Vitamin B-12 (as Cyanocobalamin Methylcobalamin) Good
  • Pantothenic Acid (as Calcium Pantothenate) Good
  • Choline (from Choline Bitartrate) Poor
  • GABA (Gamma Amino Butyric Acid) Poor
  • L-Theanine Good
  • Inositol (as Inositol Hexahydroxycyclohexane) Good
Other Ingredients Excellent

Fillers & Additives

  • Xylitol
  • Fructose
  • Mango Flavor
  • Natural
  • Other Natural Flavors
  • Cellulose
  • Stearic Acid
  • Silica
  • Stevia Leaf Extract
Efficacy Fair

Dosage Analysis

  • Vitamin C (as Ascorbic Acid) 10 mg Under-dosed
  • Thiamine (as Thiamine Mononitrate) (B-1) 4 mg Effective
  • Niacin (B-3) 4 mg Under-dosed
  • Vitamin B-6 (as Pyridoxine HCl) 10 mg Effective
  • Folate ( 400 mcg Folic Acid) 680 mcg DFE Effective
  • Vitamin B-12 (as Cyanocobalamin Methylcobalamin) 1,000 mcg Effective
  • Pantothenic Acid (as Calcium Pantothenate) 10 mg Effective
  • Choline (from Choline Bitartrate) 3.9 mg Under-dosed
  • GABA (Gamma Amino Butyric Acid) 50 mg Under-dosed
  • L-Theanine 50 mg Under-dosed
  • Inositol (as Inositol Hexahydroxycyclohexane) 10 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Total Carbohydrate <1 g <1%†
Vitamin C (as Ascorbic Acid) 10 mg 11%
Thiamine (as Thiamine Mononitrate) (B-1) 4 mg 333%
Niacin (B-3) 4 mg 25%
Vitamin B-6 (as Pyridoxine HCl) 10 mg 588%
Folate ( 400 mcg Folic Acid) 680 mcg DFE 170%
Vitamin B-12 (as Cyanocobalamin Methylcobalamin) 1,000 mcg 41,667%
Pantothenic Acid (as Calcium Pantothenate) 10 mg 200%
Choline (from Choline Bitartrate) 3.9 mg <1%
GABA (Gamma Amino Butyric Acid) 50 mg *
L-Theanine 50 mg *
Inositol (as Inositol Hexahydroxycyclohexane) 10 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

Fructose Generally_safe

It is used as a sweetener.

Mango Flavor Unknown
Natural Unknown
Other Natural Flavors Unknown
Cellulose Safe

Provides bulk and structure in tablets and capsules.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Stevia Leaf Extract Safe

Provides sweetness without calories or blood sugar impact.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$15$13$11$9$7 Mar 12 $13.19$9.00
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
KAL

Founded 1932 · Salt Lake City, Utah, United States · 289 products · kalvitamins.com

Certifications

3 certifications
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

1 incident
Lawsuit A consumer class action was filed alleging that the marketing of a dietary supplement violated California's consumer-protection laws.2013Source
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Frequently Asked Questions
Is KAL GABA L-Theanine Stress B, Mango Tangerine a good supplement?

KAL GABA L-Theanine Stress B, Mango Tangerine, 100 Lozenges received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 12 active ingredients with 50 servings per container. Of the 9 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, KAL, holds a brand trust score of 73/100 with 3 verified certifications including Nsf Gmp, Fda Gmp Inspections, Usda Organic.

What are the ingredients in KAL GABA L-Theanine Stress B, Mango Tangerine?

KAL GABA L-Theanine Stress B, Mango Tangerine contains 12 active ingredients: Total Carbohydrate (<1 g), Vitamin C (as Ascorbic Acid) (10 mg), Thiamine (as Thiamine Mononitrate) (B-1) (4 mg), Niacin (B-3) (4 mg), Vitamin B-6 (as Pyridoxine HCl) (10 mg), Folate ( 400 mcg Folic Acid) (680 mcg DFE), and 6 more. Notable high-dose ingredients include Thiamine at 333% DV, Vitamin B-6 at 588% DV, Vitamin B-12 at 41,667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is KAL GABA L-Theanine Stress B, Mango Tangerine safe to take?

KAL GABA L-Theanine Stress B, Mango Tangerine, 100 Lozenges has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is KAL a trustworthy supplement brand?

KAL receives a brand trust score of 73/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1932 and headquartered in Salt Lake City, Utah, United States, the company offers 289 products in their lineup. They hold 3 verified certifications including Nsf Gmp, Fda Gmp Inspections, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: KAL has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.