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A 50-year-old female asked:

Fish oil is a blood thinner that doesn't help broken eye vessels. is carrot juice also a blood thinner that doesn't help broken eye vessels to heal?

2 doctor answers5 doctors weighed in
Dr. Jon Fishburn
Ophthalmology 30 years experience
Neither do: Fish oil does prolong bleeding time but not significantly, unless used in high doses usually combined with other anticoagulants like aspirin. Carrot juice, a good source of beta carotene, insignificantly affects bleeding time. Now, your broken eye vessels would not be expected to heal faster with the above, but may slightly increase bruising occurrence, particularly with subconjunctival hemorrhage
Dr. Milton Alvis, jr
Preventive Medicine 41 years experience
None are : Dominant basis for viscosity (thickness) of blood is stickiness between RBCs due to surface glycoprotein groups on red blood cell membranes. Becoming anemic ↓es blood viscosity; but not healthy. None of the agents commonly referred to as "thinners" ↓ viscosity. What do they do? Either ↓ clotting &/or ↑ rate of clot degradation inside vessels; thus anticlotting agents. Problems? They ↑ bleeding,
Dr. Milton Alvis, jr
Preventive Medicine 41 years experience
Provided original answer
As agents with anticlotting properties go, so called "fish oil", a complex mix of many fats, only one fat, EPA (possibly DHA), originating from phytoplankton (not fish) has any documented health benefits. For usual fish oils to induce any detectable anticlotting responses, they must be taken in very high doses, e.g. 20 capsules/day for OTC preparations; very weak compared with aspirin 81 mg/day.
Nov 30, 2014

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Last updated Jul 26, 2019

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