Doctor-formulated · 40 years of practice

Dr. Schrock's NAC N-Acetyl Cysteine Daily Support

4.9

(372 verified reviews)

Daily essential · detox

Pure N-Acetyl L-Cysteine — the direct precursor to glutathione, your body's master antioxidant. Supports respiratory mucus clearance, liver detox pathways, and kidney cellular protection.

  • Raises glutathione — the body's master antioxidant
  • Supports lungs, liver, and kidney detoxification simultaneously
  • Emerging evidence for mood, OCD, and addiction recovery support
  • Made in USA · GMP-certified · third-party tested
Purchase option
  • Free US shipping
  • 30-day refund
  • Doctor-formulated
  • SSL secure
"Why I made these Vitamins instead of recommending what was on the shelf."
Watch Dr. Schrock

"Why I made these Vitamins instead of recommending what was on the shelf."

90-second story from a 40-year practitioner about the gap in supplement shelves that drove this formulation. Watch before you buy — most patients say it's the moment they decided.

Made in USA

100% Plant-based

Non-GMO

3rd-party tested

GMP-certified facility

No fillers · No preservatives

How it works

Four pathways. One formula.

Most pain supplements pick one mechanism. Ache Help works on four at once — which is why patients feel a difference where single-ingredient formulas fall short.

  1. Connective tissue

    MSM delivers bioavailable sulfur — the building block for cartilage and tendon repair.

  2. Prostaglandin balance

    Quercetin modulates the prostaglandin pathway responsible for pain and swelling signals.

  3. Inflammatory signaling

    Turmeric down-regulates NF-κB — the master switch for chronic inflammation.

  4. Absorption

    Black Pepper extract makes curcumin up to 2,000% more bioavailable in the bloodstream.

Dr. Daniel Schrock, DC, in his clinic

Dr. Daniel Schrock

Doctor of Chiropractic | Licensed since 1990

A note from Dr. Schrock

After 40 years of watching patients try every NSAID under the sun, this is the formula I built for the pain that doesn't quit.

Chronic pain is rarely a single-cause problem. It's usually systemic inflammation attacking joints, muscles, and connective tissue at the same time. Most supplements pick one pathway. Ache Help addresses four — MSM for connective tissue, Quercetin for prostaglandin balance, Turmeric for NF-κB modulation, and Black Pepper to make sure you actually absorb the curcumin (most don't).

I take this myself. So does my wife. So do most of the patients I've coached for the last decade. That's the bar I formulate to.

How it works

Your first 90 days

Anti-inflammatory mechanisms work by saturating tissue — they aren't symptom-blockers. Here's the honest timeline.

  1. 1 - 7 Days

    Loading phase

    Take consistently. Active ingredients begin saturating tissues. Some patients notice subtle calming of muscle tension.

  2. 30 Days

    First meaningful shift

    Most patients report less morning stiffness, easier movement, and a quieter inflammatory baseline.

  3. 60 Days

    Full effect

    The 4-pathway approach reaches steady state. Joint comfort, recovery, and daily ease should be at their best.

  4. 90+ Days

    Long-term protocol

    Continue daily for sustained support. Pair with topical Pain Relief Oil for stacked relief.

Key ingredients

Every ingredient earns its place

Each component was chosen for a specific mechanism — not for marketing convenience.

  • N-Acetyl L-Cysteine (NAC)

    Precursor to glutathione synthesis — your body's master antioxidant — supporting respiratory mucus clearance, liver detox, and kidney cellular protection.

    Research notes →
  • Acetyl Group

    The acetyl form makes cysteine far more bioavailable and stable than free cysteine, surviving stomach acid for systemic delivery.

    Research notes →
  • Vegetable Capsule Shell

    Plant-based capsule that protects the NAC from oxidation prior to absorption in the small intestine.

    Research notes →
  • Full Supplement Facts panel
  • 100 capsules
  • 1–2 capsules daily
  • 30–100 day supply
Patient reviews

372 patients. 4.9 stars.

Filter by your condition to see what people like you experienced.

Joint Pain

4.3/5 Trustpilot

Worth every penny — 30 days in and morning stiffness is gone.

I've tried glucosamine, fish oil, prescription anti-inflammatories. Nothing touched the morning stiffness in my hands. 30 days on Ache Help and I can grip a coffee cup at 6am without warming up first. Subscribing.

Margaret S

Age 62 | 38 days using | Mar 14, 2026

Fibromyalgia

4.3/5 Trustpilot

Better than what my doctor prescribed.

I'd been on prescription medication off and on for 11 years. Brain fog and weight gain were unbearable. After 60 days on Ache Help (paired with Pain Blend topically) I'm off both prescriptions with my doctor's blessing. I don't have words for what this means.

James R

58 days using | Feb 28, 2026

Arthritis

4.3/5 Trustpilot

Slower to kick in than I expected, but worth the wait.

Nothing happened the first 3 weeks and I almost returned it. Then around week 5 I noticed my knee wasn't waking me up at night anymore. So — be patient. Wish I'd known.

David K

71 days using | Jan 9, 2026

Read all 372 reviews →
Compare

NAC vs. the alternatives

Most antioxidant buyers are weighing NAC against direct glutathione supplements or basic Vitamin C. Here's the honest comparison.

When you compare:

NAC

Glutathione precursor

Oral glutathione

reduced GSH capsules

Vitamin C OTC

ascorbic acid

Raises intracellular glutathione

✓ Yes

Limited (poor absorption)

Indirect

Respiratory mucus clearance

✓ Yes (clinical)

No

No

Liver detox support

✓ Yes

Indirect

Mild

Mood/mental health evidence

✓ Emerging

Limited

Limited

Prescription required

✓ No

No

No

30-day supply cost

~$22 (sub)

~$30–60

~$8–15

Drink plenty of water with NAC — it supports kidney clearance.

Stack the protocol

Most patients pair Ache Help with...

Build the full Pain Freedom Protocol — three formulas that work together for systemic, topical, and digestive support.

Bundle price

$68.86

$81.97

Save $13.11

Pain Freedom Protocol — full stack discount

Doctor's

60

Days

Risk-free

If it doesn't work for you, you don't pay.

Take it for up to 60 days. If you don't feel a difference — or just change your mind — email us. We'll refund you in full. No need to ship the bottle back. No questions, no hoops, no restocking fees.

Dr. Schrock guarantees this personally. If we're not delivering on the promise, we don't deserve your money.

Subscribe & Save

Set it. Save 15% forever.

Most patients subscribe after their first bottle. Here's why — and how it works.

  • 15% off every order, every time — forever
  • Free priority shipping (3-day vs standard 5–7)
  • Skip, pause, or cancel anytime in your account
  • First access to new formulas + members-only protocols
  • Direct line to our patient care team

Most popular cadence

Every 30 days

$29.74 / month

Start subscription →

68% of patients choose this cadence

FAQ

Patients ask us...

Will NAC interact with my medications?

NAC can mildly affect blood thinners, nitroglycerin, and some chemotherapy drugs. Talk to your provider if you're on warfarin, antiplatelet medication, or active oncology care. For most patients on standard prescriptions, NAC is well-tolerated, but always disclose new supplements to your prescriber.

How long until I feel a difference with NAC?

For respiratory or sinus support, many patients notice clearer breathing within 7–10 days. Liver and antioxidant effects build over 30–60 days as intracellular glutathione rises. Mood support evidence (OCD, depression) typically shows up at 4–8 weeks of consistent use.

What's the dosage and how do I take it?

Take 1–2 capsules daily with food and a full glass of water. Best taken in the morning. Maintain adequate hydration throughout the day since NAC supports kidney clearance.

Can I take NAC with the Liver Cleanse formula?

Yes — they're complementary. NAC provides the cysteine substrate your liver needs to make glutathione (your master antioxidant). Liver Cleanse provides botanical cofactors and bile-flow support. Many patients run both during a structured 30–60 day liver protocol.

Who shouldn't take NAC?

Avoid if you have a sulfa allergy (NAC contains sulfur), are on warfarin or active chemo without provider clearance, or have severe asthma where the bronchodilator effect could be unpredictable. Pregnant or nursing women should consult their provider.

What's your return policy?

We offer a 60-day satisfaction guarantee on all Dr. Schrock's formulas. If NAC isn't a fit, contact our team and we'll make it right.

Still deciding?

Try it for 60 days. If it doesn't change something, we'll refund every penny.

No restocking fees. No fine print. No shipping the bottle back. That's how confident we are in 40 years of clinical experience built into this formula.

Add to cart — $25.99
  • Full Supplement Facts panel
  • 60-day refund
  • Doctor-formulated