BioStacks
Source Naturals

Acetyl L-Carnitine & Alpha-Lipoic Acid

1 Tablet · 60 servings

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What it does

A combination of 3 label ingredients.

Carnitine

Form not confirmedGrade —

Helps transport fats for normal energy production; extra carnitine does not reliably improve exercise performance.

Calcium

calcium phosphateBudget

Supports the maintenance of normal bones and teeth, muscle function and nerve signaling.

Energy
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Ingredients (3)

Calcium

23 mg

Trace amount — not scored

Other ingredients

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

Lab testing

How to take it

With food

ALA does better on an empty stomach, but something else in this bottle needs food. Taking the whole product with a meal is the better trade — an upset stomach is why most people stop.

On the label

Suggested Use: 1 tablet, 1 to 4 times daily.

Price check

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What 119 carnitine supplements cost

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

Not medical advice. Consult your healthcare professional.

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