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Protocol · Cardiovascular Health

Peripheral Arterial Disease (PAD) Supportive Care Protocol

Omega-3 Fatty Acids and L-Arginine are the core of this stack, with 7 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Peripheral Arterial Disease (PAD) Supportive Care.

We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.

The stack

9 supplements · 1 graded

Amount listed in this protocol; not a recommendation.

Supplements in the Peripheral Arterial Disease (PAD) Supportive Care protocol, with the amount the protocol lists, the grade on file and confirmed studies
GradeSupplementAmount listedWhy it’s in the stackEvidence on fileShop
Primary stackThe core of this protocol
Omega-3 Fatty AcidsAmount listed: 2–4 g EPA+DHA daily

Reduces triglycerides; anti-inflammatory; may improve endothelial function and blood flow

Not graded yet
L-ArginineAmount listed: 6–8 g daily in divided doses

Nitric oxide precursor; promotes vasodilation; may improve walking distance in claudication

  • Blood Flow: improves
  • Intermittent Claudication Symptoms: studied
  • Nitric Oxide: improves
Grade C for Blood Flow1 study · 39 people
Supporting stackListed as additions to the core
L-Carnitine/Propionyl-L-CarnitineAmount listed: 2–3 g propionyl-L-carnitine daily

Improves muscle metabolism; studied for claudication symptoms; may extend walking distance

Not graded yet
Ginkgo BilobaAmount listed: 120–240 mg standardized extract daily

Improves peripheral circulation; antioxidant; studied for claudication with modest benefit

  • Intermittent Claudication Symptoms: improves
Not graded yet
Vitamin EAmount listed: 400–800 IU daily (mixed tocopherols)

Antioxidant; may improve blood flow; mixed evidence for PAD symptoms

Not graded yet
Coenzyme Q10Amount listed: 100–200 mg daily

Supports mitochondrial function; antioxidant; may improve exercise capacity

Not graded yet
Niacin (Vitamin B3)Amount listed: 500–2,000 mg daily (extended-release; monitor with physician)

Improves lipid profile; vasodilator; studied as adjunct therapy for PAD

Not graded yet
Vitamin DAmount listed: 2,000–4,000 IU daily

Deficiency associated with worse PAD outcomes; supports vascular function

Not graded yet
GarlicAmount listed: 600–1,200 mg aged garlic extract daily

May improve blood flow; lipid-lowering effects; traditional cardiovascular remedy

Not graded yet

Shop the evidence-backed picks

Support alongside medical care. These supplements are not a treatment for Peripheral Arterial Disease (PAD). If you are being treated for it, talk to your clinician before adding one: supplements can interact with medicines.

Fullscript collectionHeart and circulation: evidence-graded picksOpen on Fullscript

Or shop one supplement

Each opens third-party tested products, matched to the dose above where we can.

  • Grade C

We earn from purchases made in our Fullscript store, and links to Fullscript, iHerb or Thorne carry our referral, so we may earn a commission at no extra cost to you. Grades come from the research and never change based on what we earn. Full disclosure

How this protocol works

In plain language

Peripheral Arterial Disease (PAD), also called Peripheral Arterial Occlusive Disease (PAOD), occurs when arteries that supply blood to the legs become narrowed or blocked by atherosclerosis (fatty deposits). This reduces blood flow to the legs and can cause pain during walking (claudication), poor wound healing, and in severe cases, gangrene requiring amputation.

SYMPTOMS of PAD:

  • Leg pain, cramping, or fatigue when walking (claudication)
  • Pain that improves with rest
  • Cool skin on legs or feet
  • Hair loss on legs
  • Weak pulses in feet
  • Slow-healing wounds on feet or legs
  • Numbness or weakness in legs
  • Erectile dysfunction (in men)

CRITICAL: PAD is a serious condition indicating widespread atherosclerosis. People with PAD have high risk of heart attack and stroke.

MEDICAL TREATMENT:

  • Antiplatelet therapy: Aspirin, clopidogrel
  • Statin medications: Reduce cardiovascular events
  • Blood pressure control: Target <130/80
  • Diabetes management: If diabetic
  • Cilostazol: FDA-approved medication for claudication
  • Revascularization: Angioplasty, stenting, bypass surgery for severe disease

LIFESTYLE MODIFICATIONS (Essential):

  • Supervised exercise therapy: Most effective non-surgical treatment
  • Smoking cessation: CRITICAL - smoking is major risk factor
  • Healthy diet: Mediterranean-style
  • Weight management

L-Arginine* is a nitric oxide precursor that may improve blood flow and walking distance.

Propionyl-L-Carnitine* has Cochrane review evidence for modestly improving walking distance.

Omega-3 Fatty Acids* reduce inflammation and support vascular health.

Expected timeline: Walking programs typically show improvement in 3-6 months. Supplements may provide modest additional benefit over 2-3 months.

Printed from drgrey.ai/protocols/peripheral-arterial-occlusive-disease. For education only; not medical advice. Talk to a clinician before starting any supplement.