7 Omega-3 Deficiency Symptoms. Keep in mind that if you’re deficient in omega-3’s, you’re likely also low in other essential nutrients, Bhanote says. Here are some tell-tale signs. Dry, itchy skin “Omega-3s help keep everything in the body properly lubricated, ” says Rydyger, adding that insufficient levels may cause skin dryness. Just the Omega 3's intended for a week. Did 4 days and noped out. The social anxiety has decreased maybe by 20% since I trialled the Omega 3's. Otherwise I'm still dealing with the social anxiety. It definately switched something on or off in me, I used to be a very good actor, aspiring to be one, one day. The deficiency of EPA and DHA in diet contributes to skin conditions, such as dandruff, thinning hair, eczema and psoriasis, as well as age spots and sun spots. In one study, individuals taking fish oil equivalent to 1.8 grams of EPA had a significant reduction in symptoms of eczema after 12 weeks. TL;DR I found link between fish oil and NMDA-receptor blockade (or alteration of functioning of dopaminergic system),so fish oil (or other Omega-3 sources) can cause brain fog not through cholinergic hyperactivity but through NMDA-blocking effect. And this hypothesis yields improvement in comparison with cholinergic hypothesis, as cholinergic Dry eye began a month after stopping, and 2 wks after a nasty one-time experience with lipfiller (Volbella), which resulted in an allergic reaction and huge swelling around lips. The dry eye followed all the above, began with a scary blood-red left eye, and has grown progressively worse despite several IPL sessions. Flinthearted • 8 yr. ago. Yes, the benefits of fish oil have substantial empirical support. Fish oil has repeatedly been shown to reduce symptoms of depression in persons suffering from major depression. Examine is a good place to start if you're interested in easy-to-read, well supported analysis. The study concluded that eating a diet rich in omega-3 foods led to significantly lower levels of testosterone in the subjects' systems when compared to the placebo group. Foods rich in omega-3 include fish, seafood, vegetable oils (flaxseed, soybean, canola) and fortified foods (such as certain brands of milk, eggs and juices). "A double-blind, placebo-controlled study of the omega-3 fatty acid docosahexaenoic acid in the treatment of major depression." Am J Psychiatry 160:996-998 (2003) 8. Buydens-Branchey L, Branchey M vfeo.