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Dr. Grey AI

Protocol · Cardiovascular/Rheumatological

Raynaud's Phenomenon Support Protocol

Omega-3 Fatty Acids and Ginkgo Biloba are the core of this stack, with 3 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Raynaud's Phenomenon Support.

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

The stack

5 supplements · none graded yet

Amount listed in this protocol; not a recommendation.

Supplements in the Raynaud's Phenomenon Support 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: 3–4 g EPA+DHA daily

Improves blood flow; reduces blood viscosity; anti-inflammatory

  • Raynaud's Phenomenon Symptoms: improves
Not graded yet
Ginkgo BilobaAmount listed: 120–240 mg standardized extract daily

Improves peripheral circulation; may reduce attack frequency

  • Raynaud's Phenomenon Symptoms: improves
Not graded yet
Supporting stackListed as additions to the core
L-ArginineAmount listed: 3–6 g daily in divided doses

Nitric oxide precursor; supports vasodilation

Not graded yet
Evening Primrose OilAmount listed: 3–6 g daily (providing ~270–540 mg GLA)

GLA supports prostaglandin production; may improve circulation

Not graded yet
Vitamin EAmount listed: 400–800 IU daily

Antioxidant; may improve blood flow

Not graded yet

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How this protocol works

In plain language

Raynaud's phenomenon is a condition where blood vessels in the fingers and toes temporarily narrow in response to cold or stress, causing them to turn white, then blue, then red as blood flow returns.

TYPES:

  • Primary Raynaud's: No underlying disease; more common; usually mild
  • Secondary Raynaud's: Associated with another condition (lupus, scleroderma, etc.); can be more severe

TYPICAL ATTACK:

1. Fingers/toes turn white (vasospasm - no blood flow)

2. May turn blue (deoxygenation)

3. Turn red and throb as blood returns

4. May feel numb, cold, or painful

TRIGGERS:

  • Cold temperatures (main trigger)
  • Emotional stress
  • Certain medications (beta-blockers, migraine drugs)
  • Vibrating tools
  • Smoking

PREVENTION:

  • Keep entire body warm (not just hands/feet)
  • Wear layers, gloves, warm socks
  • Avoid cold exposure
  • Don't smoke
  • Manage stress
  • Avoid vasoconstrictive medications if possible

MEDICAL TREATMENTS:

  • Calcium channel blockers: Nifedipine most common
  • Topical nitrates: Applied to fingers
  • PDE5 inhibitors: Sildenafil for severe cases
  • Prostacyclin analogs: For severe secondary Raynaud's

WHEN TO SEE A DOCTOR:

  • Severe or frequent attacks
  • Skin ulcers or sores
  • One-sided symptoms
  • Associated joint pain or skin changes
  • Onset after age 30

Omega-3s and ginkgo* may improve circulation.

L-arginine* supports blood vessel dilation.

Lifestyle measures* are essential.

Expected timeline: Supplements may reduce attack frequency within weeks to months. Lifestyle modifications often provide immediate benefit.

Printed from drgrey.ai/protocols/raynauds-phenomenon. For education only; not medical advice. Talk to a clinician before starting any supplement.