Alpha Lipoic Acid Buying Guide

Which Alpha Lipoic Acid Actually Reaches Your Nerves? We Scored The Best-Sellers.

Right form. Wrong delivery. Here is how the popular bottles compare, in four checks.

Three best-selling ALA supplements scored from the label
Scored from the label
90-Day Money-Back Guarantee
No subscription

4 Checks. 10 Points Each.

🧬
FormR-ALA only = 10
Standard mix = 4
💧
DeliveryUnder the tongue = 10
Capsule = 4
💊
R-ALA dose600 mg+ = 10
300 mg = 7 · 100 mg = 4
🧩
Nerve nutrients5+ in the formula = 10
None = 2

The Scoreboard

Medusae Drops

10.0
Root of Nature R-ALA

6.5
Doctor's Best R-Lipoic

5.0
NOW Foods ALA 600

4.8
Nutricost ALA 600

4.3

Right form, right delivery. 90 days to decide.

Try Medusae Drops Risk-Free90-Day Money-Back Guarantee · No subscription

The Three Best-Sellers, Side By Side

Nutricost Alpha Lipoic Acid 600 mg
4.3

Nutricost Alpha Lipoic Acid 600 mg

Form 4Delivery 4Dose 7Stack 2
✓ Lowest price we found, third-party tested
✗ Label does not say R-form. Capsule. ALA alone
Root of Nature R-Alpha Lipoic Acid
6.5

Root of Nature R-Alpha Lipoic Acid

Form 10Delivery 4Dose 10Stack 2
✓ Real R-form, 600 mg a day, slow-release
✗ Still a capsule (3 a day). ALA alone
Medusae Nerve Repair Drops (ours)
10.0

Medusae Nerve Repair Drops (ours)

Form 10Delivery 10Dose 10Stack 10
✓ R-ALA only, 2,400 mg under the tongue, plus the nerve nutrients
✗ Costs more per bottle. Nerves repair slowly

Also checked: Doctor's Best Stabilized R-Lipoic Acid (Form 10, Delivery 4, Dose 4, Stack 2 = 5.0) and NOW Foods ALA 600 mg (Form 4, Delivery 4, Dose 7, Stack 4 = 4.8). Scored on what each brand prints on its own page on September 29, 2026. If a brand tells us we read a label wrong, we fix the score.

Check your label for the letter R

Check Two Things

  • Does the label say R-alpha lipoic acid?
  • Does it reach you without surviving your stomach?

Missing either one, and you are probably not getting what you paid for.

Why We Rank Ourselves First

  • R-ALA only, the form found in food
  • Held under the tongue, not swallowed first
  • B12, B1, magnesium and more in one dropper


Medusae Nerve Repair Drops and its nerve nutrients

What Shoppers Wrote When They Ordered

“Taking ALA alone wasn’t helping much”Customer, post-purchase survey
“Sub lingual not pills”Customer, post-purchase survey
“Mode of delivery”Customer, post-purchase survey


Try Medusae Nerve Repair Drops Risk-Free

Medusae Nerve Repair Drops, 2 FL OZ (60ML)

One dropper, once a day, under the tongue. Choose 1, 3 or 5 bottles on the next page, with today's bundle pricing.

  • 90-day money-back guarantee, even after you use the bottle
  • One-time purchase. No subscription, no auto-ship
  • Free shipping on orders over $50
See Today's Bundle Options90-Day Money-Back Guarantee · No subscription

Quick Answers


Is it a subscription?

No. One-time purchase, no auto-ship.

What if it does not work for me?

You have 90 days. No difference, your money back.

Is it safe with my medication?

Alpha lipoic acid can affect blood sugar. Tell your doctor if you take diabetes medication and show them the label.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual experiences vary. Talk to your doctor before starting any supplement, especially if you take medication or have a medical condition. Published by Medusae. Prices and offer as of September 2026.

Try Medusae Drops Risk-Free90-Day Money-Back Guarantee