Red Spinach Extract Side Effects Supplementers Should Know About

red spinach extract side effects

Red spinach and the extract found in the roots and leaves of red spinach plants can be wildly underrated and overlooked when it comes to beneficial weight loss supplements [1].  As keto dieting becomes more and more popular, so has the search for foods and supplements to help those practicing keto.  We made it a point to give you a list of foods that you can eat during a ketogenic diet so that you don’t fall off the wagon for lack of edible variety.  In our keto diet food guide, we made sure to include red spinach.

What we haven’t touched on yet are the different side effects that you need to be aware of when supplementing with red spinach extract.  Like almost everything, there can be some adverse side effects.  Thankfully, in the grand scheme of things, red spinach extract side effects tend to be a little on the mild side.  Today, we’re going to talk about the 3 most common side effects people report when supplementing with red spinach extract.

The Side Effects of Red Spinach Extract Side Effects

  1. Gas – As is the case with most plants we eat, our stomach can feel temporarily bloated after heavy consumption. Gas from eating spinach and other greens usually only lasts for a couple of hours.  If you suffer from gas on the regular, simply combat the issue by planning and taking some antacids just before you eat spinach or dose with red spinach extract.
  2. Temporarily Reduced Blood Sugar – For some reason, excessive dosing can reduce your blood sugar levels. Typically this only lasts for a short time, up to 4 hours.  Diabetics should take extra precaution when supplementing with red spinach extract as they may not be able to afford a reduction in blood sugar.  In most scenarios, it is fine to have type one or even type two diabetes and still ingest red spinach extract.  If you wish to be certain, we suggest simply consulting with your primary care physician [2].
  3. Increased Metabolism – Not nearly as common as the first two side effects, metabolic rates appear to occasionally increase in heavy red spinach extract users. While some people may consider this a benefit, it’s not the typical intent.  If you’re already comfortable with your metabolism, make sure you monitor your hunger when first dosing [3].  Most people don’t report any sort of change but there are other cases where people seem to burn off calories quicker than usual and require more food intake to counteract this red spinach extract side effect!

No Worries

Since the side effects are so mild, there is no reason why you can’t or shouldn’t be trying red spinach extract supplementation.  Vegetarian and vegan safe, red spinach extract is one of the few supplements we are going to talk about in this blog that can be consumed by literally everybody without concern.  The good news for you is that we made sure to include red spinach extract in our Fulcrum product to enhance the levels of nitric oxide in your system, improving workouts!


  1. Charlotte Erlanson-Albertssoncorresponding author and Per-Åke Albertsson
    The Use of Green Leaf Membranes to Promote Appetite Control, Suppress Hedonic Hunger and Loose Body Weight
    Plant Foods Hum Nutr. 2015; 70(3): 281–290.
    Published online 2015 Jun 27. doi: 10.1007/s11130-015-0491-8
  2. Plant Foods Hum Nutr. 2015; 70(3): 281–290.
    Published online 2015 Jun 27. doi: 10.1007/s11130-015-0491-8
    Dietary thylakoids suppress blood glucose and modulate appetite-regulating hormones in pigs exposed to oral glucose tolerance test.
    Clin Nutr. 2014 Dec;33(6):1122-6. doi: 10.1016/j.clnu.2013.12.009. Epub 2013 Dec 31.
  3. Elena Jovanovski,1,2 Laura Bosco,1,2 Kashif Khan,1 Fei Au-Yeung,1 Hoang Ho,1,2 Andreea Zurbau,1 Alexandra L. Jenkins,1 and Vladimir Vuksancorresponding author1,2,3,4,5
    Effect of Spinach, a High Dietary Nitrate Source, on Arterial Stiffness and Related Hemodynamic Measures: A Randomized, Controlled Trial in Healthy Adults
    Clin Nutr Res. 2015 Jul; 4(3): 160–167.
    Published online 2015 Jul 31. doi: 10.7762/cnr.2015.4.3.160
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