Mood & Emotional Balance

Written by Dr. Ryan Kneessi, ND

The mechanisms this protocol supports

Serotonin and dopamine are made from amino acids through steps that depend on methylation, which in turn relies on active folate and B12. Research has linked low folate status with low mood.

Brain cell membranes are built partly from omega-3 fats, which influence how signals pass between neurons. Low-grade neuroinflammation and the gut-brain axis also shape how resilient mood feels day to day.

Meta-analyses have most consistently linked EPA-rich omega-3 formulas with better mood, and several randomized trials have linked standardized saffron extract with better mood and fewer anxious feelings. Research has also linked low vitamin D status with low mood.

What is in the protocol

The exact products and directions are listed in the Fullscript plan, and here is what each one is commonly used to support.

• ProEPA Xtra from Nordic Naturals provides an omega-3 formula that is rich in EPA, the type most consistently linked with mood in research.
• Saffron Extract from Bioclinic Naturals provides a standardized saffron extract that has been studied for supporting mood and emotional balance.
• Methyl-Guard Plus from Thorne provides active folate, B12 and B6, which support the methylation steps used to make serotonin and dopamine.
• Vitamin D + K2 Liquid from Thorne provides vitamin D, which immune, muscle and bone cells all rely on, together with vitamin K2, which helps direct calcium into bone.

Related protocols you may find helpful include Stress and Adrenal Support and Sleep & Overnight Repair.

How to use it thoughtfully

Please talk with your provider before starting, especially if you take medications, are pregnant or nursing, or have a health condition. This page does not list amounts, so follow the label or the specific guidance your provider gives you. When you can, add one product at a time so it is easier to notice how you feel. Sleep, nourishing food, daily movement and stress care are the foundation, and supplements are meant to build on them.

This protocol supports, but does not replace, mental health care. If you are in crisis or thinking about harming yourself, please call or text 988 to reach the Suicide and Crisis Lifeline, or call 911. If you take an SSRI or another psychiatric medication, please check with your prescriber before adding saffron or other mood nutrients. If you have a history of bipolar disorder, methylfolate should only be used with your provider’s guidance. Vitamin K2 can interact with warfarin, so please check with your prescriber before starting if you take a blood thinner.

What the research shows

EPA-rich omega-3s have the most consistent mood research. A 2019 meta-analysis by Liao and colleagues of 26 placebo-controlled trials with 2,160 people found that formulas with at least 60% EPA, at 1 gram a day or less, improved depressive symptoms compared with placebo, while DHA-heavy formulas did not. Trials varied in size and population.

Saffron has also been studied. A 2019 meta-analysis by Marx and colleagues of 23 randomized trials found large improvements in depression and anxiety scores compared with placebo. The authors also found signs of publication bias, meaning negative trials may be missing, and most studies came from one region, so the true effect is likely smaller.

Vitamin D is linked with mood, but cause is unclear. In a 2013 review by Anglin and colleagues of 14 observational studies with 31,424 people, people with depression had lower vitamin D levels, and those in the lowest vitamin D group had about twice the risk of later depression in cohort studies (hazard ratio 2.21). These studies show an association, not that taking vitamin D changes mood.

Mood symptoms deserve a full evaluation. If you are struggling, please reach out to your doctor or a mental health professional, and in a crisis call or text 988.

Frequently asked questions

Sources

• Gilbody S, Lightfoot T, Sheldon T. Is low folate a risk factor for depression? A meta-analysis and exploration of heterogeneity. J Epidemiol Community Health 2007. PMID: 17568057. https://pmc.ncbi.nlm.nih.gov/articles/PMC2465760/
• Liao Y, et al. Efficacy of omega-3 PUFAs in depression: A meta-analysis. Transl Psychiatry 2019. PMID: 31383846. https://pmc.ncbi.nlm.nih.gov/articles/PMC6683166/
• Marx W, et al. Effect of saffron supplementation on symptoms of depression and anxiety: a systematic review and meta-analysis. Nutr Rev 2019. PMID: 31135916. https://pubmed.ncbi.nlm.nih.gov/31135916/
• Anglin RE, et al. Vitamin D deficiency and depression in adults: systematic review and meta-analysis. Br J Psychiatry 2013. PMID: 23377209. https://pubmed.ncbi.nlm.nih.gov/23377209/

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