Swanson Ultra Propionyl-L-Carnitine with Glycine GPLC Heart-Healthy Carnitine supplement bottle
Swanson Ultra

Propionyl-L-Carnitine with Glycine GPLC Heart-Healthy Carnitine

What We Researched
2 active ingredients analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
87
Product Score Good
63
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Propionyl-L-Carnitine HCl 515 mg
Glycine 150 mg
Bioavailability Excellent

Absorption Rating

  • Propionyl-L-Carnitine HCl Good
  • Glycine Good
Other Ingredients Excellent

Fillers & Additives

  • Calcium Laurate
  • Hypromellose
  • Silica
Efficacy Fair

Dosage Analysis

  • Propionyl-L-Carnitine HCl 515 mg Effective
  • Glycine 150 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Propionyl-L-Carnitine HCl 515 mg
Glycine 150 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Laurate Generally_safe

It helps to bind ingredients together and prevent separation.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$31$30$29$28$27 $29.09
Target

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 Ultra

Founded 1969 · Fargo, North Dakota, United States · 46 products · swansonvitamins.com

Certifications

4 certifications
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed
In House Testing — Claimed
Related Supplements
Frequently Asked Questions
Is Swanson Ultra Propionyl-L-Carnitine with Glycine GPLC Heart-Healthy Carnitine a good supplement?

Swanson Ultra Propionyl-L-Carnitine with Glycine GPLC Heart-Healthy Carnitine received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Swanson Ultra, holds a brand trust score of 63/100 with 4 verified certifications including Gluten Free Gfco, Non Gmo Project, Usda Organic, Vegan Certified.

What are the ingredients in Swanson Ultra Propionyl-L-Carnitine with Glycine GPLC Heart-Healthy Carnitine?

Swanson Ultra Propionyl-L-Carnitine with Glycine GPLC Heart-Healthy Carnitine contains 2 active ingredients: Propionyl-L-Carnitine HCl (515 mg), Glycine (150 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Swanson Ultra Propionyl-L-Carnitine with Glycine GPLC Heart-Healthy Carnitine safe to take?

Swanson Ultra Propionyl-L-Carnitine with Glycine GPLC Heart-Healthy Carnitine 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 Ultra a trustworthy supplement brand?

Swanson Ultra receives a brand trust score of 63/100 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 46 products in their lineup. They hold 4 verified certifications including Gluten Free Gfco, Non Gmo Project, Usda Organic, Vegan Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.