Swanson L-Carnitine, 30 Tablets supplement bottle
Swanson

L-Carnitine, 30 Tablets

What We Researched
2 active ingredients analyzed · 6 inactive ingredients decoded · 6 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
75
Product Score Fair
90
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 190 mg 15%
L-Carnitine Base 500 mg *
Bioavailability Fair

Absorption Rating

  • Calcium Good
  • L-Carnitine Base Poor
Other Ingredients Excellent

Fillers & Additives

  • Calcium Carbonate
  • Microcrystalline Cellulose (Plant Fiber)
  • Stearic Acid
  • Magnesium Stearate
  • Aqueous film coating (purified water, Hydroxypropyl methylcellulose, Vegetable glycerin)
  • Silica
Efficacy Fair

Dosage Analysis

  • Calcium 190 mg Under-dosed
  • L-Carnitine Base 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calcium 190 mg 15%
L-Carnitine Base 500 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Microcrystalline Cellulose (Plant Fiber) Safe

It is used as a filler, binder, and disintegrant.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Aqueous film coating (purified water, Hydroxypropyl methylcellulose, Vegetable glycerin) Unknown
Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

iHerb $5.69
Best Price

Price History

Tracked across major retailers. Updated periodically.

$8$7$6$5$4 Mar 12 $5.69
iHerb

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

Brand Trust Report
Swanson

Founded 1969 · Fargo, North Dakota, United States · 994 products · swansonvitamins.com

Certifications

6 certifications
Consumerlab Verified
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Npa Gmp Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
In House Testing — Verified Source

Violation History

6 incidents
Recall Vitamin B12 Methylcobalamin High Absorption2022-03-04Source
Lawsuit Website not accessible to blind individuals, violating the Americans with Disabilities Act (ADA).2019Source
Prop 65 Lead2015-11-03Source
Recall Swanson Premium Brand Full Spectrum Cilantro (Coriander)2014-04-04Source
Recall Swanson Organic Celery Seed (Whole)2011-12-16Source
Fda Warning Products contained an unauthorized drug (lovastatin) and were marketed with claims to treat high cholesterol, rendering them unapproved new drugs.2007-08-08Source
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Frequently Asked Questions
Is Swanson L-Carnitine, 30 Tablets a good supplement?

Swanson L-Carnitine, 30 Tablets received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Swanson, holds a brand trust score of 90/100 with 6 verified certifications including Consumerlab, Nsf Gmp, Fda Gmp Inspections, Npa Gmp.

What are the ingredients in Swanson L-Carnitine, 30 Tablets?

Swanson L-Carnitine, 30 Tablets contains 2 active ingredients: Calcium (190 mg), L-Carnitine Base (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Swanson L-Carnitine, 30 Tablets safe to take?

Swanson L-Carnitine, 30 Tablets 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 Swanson a trustworthy supplement brand?

Swanson receives a brand trust score of 90/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1969 and headquartered in Fargo, North Dakota, United States, the company offers 994 products in their lineup. They hold 6 verified certifications including Consumerlab, Nsf Gmp, Fda Gmp Inspections, Npa Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Swanson has 6 historical regulatory incidents 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.