Source Naturals Acetyl L-Carnitine and Alpha-Lipoic Acid, 650 mg, 180 Tablets supplement bottle
Source Naturals

Acetyl L-Carnitine and Alpha-Lipoic Acid, 650 mg, 180 Tablets

What We Researched
3 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
70
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 40 mg 4%
Acetyl L-Carnitine 500 mg *
Alpha-Lipoic Acid 150 mg *
Bioavailability Fair

Absorption Rating

  • Calcium Good
  • Acetyl L-Carnitine Poor
  • Alpha-Lipoic Acid Fair
Other Ingredients Excellent

Fillers & Additives

  • Silicified Microcrystalline Cellulose
  • Dibasic Calcium Phosphate
  • Stearic Acid
  • Colloidal Silicon Dioxide
  • Magnesium Stearate
Efficacy Poor

Dosage Analysis

  • Calcium 40 mg Under-dosed
  • Acetyl L-Carnitine 500 mg Effective
  • Alpha-Lipoic Acid 150 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calcium 40 mg 4%
Acetyl L-Carnitine 500 mg *
Alpha-Lipoic Acid 150 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Silicified Microcrystalline Cellulose Generally_safe

It is used as a filler and flow agent in supplements.

Dibasic Calcium Phosphate Generally_safe

It is used as a filler and to improve tablet hardness.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Colloidal Silicon Dioxide Generally_safe

It prevents clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Vitacost $67.59 $0.38 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$70$69$68$67$66 Mar 12 $67.59
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
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 837 products · sourcenaturals.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Related Supplements
NOW Foods Sports, L-Arginine Powder, 2.2 lbs (1 kg)
NOW Foods Sports, L-Arginine Powder, 2.2 lbs (1 kg)
Product 100 Brand 100
NOW Foods Acetyl-L-Carnitine, 3 oz (85 g)
NOW Foods Acetyl-L-Carnitine, 3 oz (85 g)
Product 100 Brand 100
NOW Foods Acetyl-L-Carnitine, 500 mg, 200 Veg Capsules
NOW Foods Acetyl-L-Carnitine, 500 mg, 200 Veg Capsules
Product 100 Brand 100
Source Naturals Vitamin B-5 Pantothenic Acid, 250 mg
Source Naturals Vitamin B-5 Pantothenic Acid, 250 mg
Product 100 Brand 66
Source Naturals Selenium 200 mcg
Source Naturals Selenium 200 mcg
Product 100 Brand 66
Source Naturals HydroxoCobalamin 1 mg Cherry Flavored
Source Naturals HydroxoCobalamin 1 mg Cherry Flavored
Product 100 Brand 66
Frequently Asked Questions
Is Source Naturals Acetyl L-Carnitine and Alpha-Lipoic Acid, 650 mg a good supplement?

Source Naturals Acetyl L-Carnitine and Alpha-Lipoic Acid, 650 mg, 180 Tablets received a product quality score of 70/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 3 active ingredients with 180 servings per container. Of the 5 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Source Naturals Acetyl L-Carnitine and Alpha-Lipoic Acid, 650 mg?

Source Naturals Acetyl L-Carnitine and Alpha-Lipoic Acid, 650 mg contains 3 active ingredients: Calcium (40 mg), Acetyl L-Carnitine (500 mg), Alpha-Lipoic Acid (150 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Acetyl L-Carnitine and Alpha-Lipoic Acid, 650 mg safe to take?

Source Naturals Acetyl L-Carnitine and Alpha-Lipoic Acid, 650 mg, 180 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 Source Naturals a trustworthy supplement brand?

Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. 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.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Download on App Store Browse All Supplements
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.