Eating raw sauerkraut is not a fleeting food trend because sauerkraut benefits may extend to every system of our body. In fact, eating sauerkraut benefits almost all aspects of health. I challenge you to try it for yourself! While this may seem like weird food, you may learn to love raw sauerkraut too when it makes you feel SO good.
Without a doubt, the connection between gut health and ALL health is strong.
Human health and probiotic health are inseparable. Even the biggest doubters are coming around to the idea that our digestive tract dictates a large portion of our health. Our digestive tract is home to around 80% of our immune system; this can make or break all of your health, brain function, and vitality! Sauerkraut fits into this system well because it is a powerful fermented food.
What is Raw Sauerkraut?
Raw sauerkraut is simply a type of fermented cabbage that has two ingredients: cabbage and salt. Fermentation of cabbage also requires just three little things: time, room temperature, and low light.
How can this two-ingredient food be so powerful? It’s all in the fermentation process! When the natural microbes like bacteria on the cabbage begin to break down the cabbage, MANY beneficial compounds are formed.
Fermentation is the process where enzymes and microorganisms break down food into more digestible nutrients and compounds. The main microorganisms on cabbage are called lactobacilli bacteria, which are on the surface of all living things. These bacteria break the foods down into lactic acid, which helps preserve cabbage and provide the body with infinite benefits!
Many forms of sauerkraut are on the market today: raw sauerkraut is simply sauerkraut that fresh instead of canned. Kimchi is another name for sauerkraut and it’s usually a spicy version. The raw form of sauerkraut allows you to get the benefits of live probiotics.
Sauerkraut Benefits Overview
Sauerkraut greatly helps almost every step of digestion and nutrition, including:
- Increases the vitamin content of cabbage
- Enhances enzymes that aid digestion
- Improves nutrient absorption, including minerals
- Improves digestive pH
- Provides prebiotics and probiotics
- Is a natural antiviral
Fermented foods like sauerkraut may help with many digestive disorders. These include antibiotic-associated diarrhea, C. difficile infections, diarrhea, inflammatory bowel diseases, ulcerative colitis, Crohn’s disease, and irritable bowel syndrome, to name a few.
But, what is so special about raw sauerkraut?
Here are some of the components that you won’t want to miss out on.
1. Sauerkraut Benefits: Probiotics
Beneficial probiotics are any living food or supplement that supports health, including beneficial bacteria, fungi, or other small microorganisms. Raw sauerkraut is full of a vast variety of probiotics!
Beneficial bacteria in raw sauerkraut
Most of the probiotic types found in the sauerkraut are of the Lactobacillus or lactic acid-producing type of bacteria.
Lactobacillus bacteria have gotten a lot of research attention because it is so widely found in fermented foods.
You can find hundreds of studies showing the benefits of Lactobacillus in the National Library of Medicine.
Sauerkraut is also rich in Leuconostoc bacteria.
How much probiotic is in sauerkraut?
According to recent research published in PLOS One, sauerkraut has over 114 types of probiotics, which beats out any probiotic supplement on the market today.
These probiotics from raw sauerkraut can survive the low acid content of the stomach, which makes sauerkraut an ideal form of probiotic.
Raw sauerkraut is also a very concentrated probiotic. Research from Functional Foods in Health and Disease determined that a very small dose, 2 tablespoons of sauerkraut, contains over 1 million colony-forming units (CFUs) of healthy probiotics. And sauerkraut is SO much more than a probiotic.
For example, sauerkraut has anti-microbial effects too. The probiotic effects of sauerkraut help fight Listeria monocytogenes, a type of harmful bacteria. It may also reduce some strains of gram-negative and gram-positive bacteria, possibly even E. coli and salmonella.
Some health experts like Dr. Mercola have determined that the probiotic content of 4-6 oz of sauerkraut may contain trillions of healthy bacteria. This is much more than a whole bottle of probiotic supplements!
Probiotics in sauerkraut aren’t just beneficial bacteria; they are beneficial fungi too. Think mushrooms. The mushrooms in sauerkraut are microscopic. The types of fungi in sauerkraut can include Actinomucor, Amylomyces, Aspergillus, Monascus, Mucor, Neurospora, and Rhizopus. These little fungi produce digestive enzymes to aid our bodies in digestion.
These enzymes include:
- acid and alkaline proteases
By increasing enzymes in the digestive tract, your food will absorb better, which may give you more energy and resilience in the face of infections.
2. Sauerkraut Benefits: May Reduce Heartburn and Reflux
Heartburn and reflux are related and difficult to tease out. Some people call the same symptoms dyspepsia. Most digestive distress, heartburn, and reflux can be alleviated by a healthy gut-bacterial environment.
If you haven’t tried sauerkraut for heartburn yet, what do you have to lose? Adding a spoonful of sauerkraut is one of the most effective home remedies for heartburn in many cases.
One cause of heartburn is called autoimmune gastritis. Autoimmune gastritis is very common and presents with symptoms of heartburn, dyspepsia, as well as GERD. Autoimmune diseases are tightly linked with gut bacteria. By connecting the gut-immune system dots, it becomes clear that fermented foods like sauerkraut can help people tremendously with GI issues like heartburn and reflux.
3. Sauerkraut Benefits: Reduces Indigestion
Have you ever eaten a meal and felt like you kept burping the food all day long and passing gas? This burping and gas is also known as indigestion and it can also ironically cause heartburn and acid reflux symptoms.
These are all signs of indigestion, meaning your food is not digesting well. Sauerkraut has built-in enzymes to help with your digestive processes.
Enjoying a couple of bites of raw sauerkraut may take away indigestion symptoms, such as belching, bloating, excess gas, gas pain, heartburn, and more.
Yes, heartburn is often a sign of indigestion instead of too much acid.
Another substance that enhances digestive enzymes is called fulvic acid.
4. Sauerkraut Benefits: Reduces Gas and bloating
If you don’t digest your foods well, you will get more gas and bloating than you want.
Many people are pleasantly surprised that when they make a few changes to their diet, they can eliminate these symptoms of excess gas and embarrassing flatulence.
Support your digestion by giving it enzyme-rich sauerkraut daily.
Tip: When incorporating sauerkraut into your routine, you may be less embarrassed by flatulence over time.
5. Sauerkraut Benefits: Improved Absorption
You will absorb your food better with sauerkraut because it has digestive enzymes and has also lactic acid. Both of these compounds help to break down anti-nutrients in foods like phytic acid and oxalates.
When you absorb your food better, you will have less gas, bloating, diarrhea, constipation, indigestion, and heartburn. Win, win, and win!
Related post: Best Digestive Enzymes for Bloating and IBS
The following infographic shows the complexity of probiotic effects on the body. *Infographic used with permission from. M. Swain, Ph.D., at Biotechnology Research International [R].
Tip: We all can benefit from absorbing our food better. Why not add a bit of sauerkraut to your salads or top your soup with a spoonful of sauerkraut?
6. Sauerkraut Benefits: May Reduce Candida and SIBO Gut Infections
Candida is a type of overgrowth of yeast or fungi that occurs when the immune system is out of balance. It can happen in the mouth, esophagus, and even further into the digestive tract, causing lots of pain and distress. Many studies show that lactobacillus probiotics like those in sauerkraut are effective against candida.
While some practitioners recommend avoiding fermented foods during gut infections, this goes against research.
SIBO stands for small intestinal bacterial overgrowth. Probiotic foods are instrumental to symptom relief.
In fact, a meta-analysis of research shows that probiotics reduce SIBO symptoms like pain and help destroy harmful bacteria.
Tip: You may reduce your chance of digestive infections such as yeast overgrowth by adding some sauerkraut into your daily routine.
7. Sauerkraut Benefits: May Reduce Depression and Mood Disorders
If you are looking to improve brain health, sauerkraut is for you. Probiotic foods are getting a lot of attention for their beneficial effects related to gut and brain connections.
A review paper of 8 clinical studies in the journal Nutrients concluded that probiotics help improve mood and reduce symptoms of depression.
This is because probiotic bacteria signal to the brain to make happy chemicals and calm chemicals like serotonin and dopamine. For this reason, sauerkraut or other fermented foods should be part of your daily repertoire if you suffer from depression.
Tip: probiotic foods like raw sauerkraut may help improve mood and reduce symptoms of depression.
8. Sauerkraut Benefits: May Reduce Anxiety
When you have probiotics, you are never alone. This is something I say to my patients and clients all the time; partly to cheer them up with a joke and partly to help them understand the significance of live cultures.
Consider the following studies we have so far:
- Pregnant women have less post-partem depression and anxiety when given a probiotic strain called Lactobacillus rhamnosus; this was a robust and large clinical trial. *Lactobacillus rhamnosus is found in sauerkraut [R].
- An excellent review of probiotic foods and anxiety: 7 of 10 clinical studies show benefits for anxiety. This review was written by Psychology & Science.
- Review of research showed compelling data for the use of probiotic foods like sauerkraut for anxiety symptoms.
9. Sauerkraut benefits may extend to PTSD
Imbalances in gut bacteria may make people more likely to suffer from post-traumatic stress disorder, according to highlights from research in the Canadian Journal of Psychiatry.
“There is an urgent need for well-designed, double-blind, placebo-controlled clinical trials aimed at determining the effect of bacterial supplements and controlled changes in diet on psychological symptoms and cognitive functions in patients with well-documented mental health problems. This particularly applies to PTSD patients characterized by long-lasting low cortisol levels.”Canadian Journal of Psychiatry.
Why might probiotic foods like sauerkraut help with PTSD?
Probiotics are linked with improved mood, reduced anxiety symptoms, and reduced psychological stress. Fermented foods help also affect and improve the processing of emotions in some clinical work.
Tip: While we don’t know for sure if sauerkraut specifically helps with PTSD, adding some to your daily routine won’t hurt and might help.
10. Sauerkraut Benefits: May Reduce Schizophrenia and Mania
While all mood disorders are disruptive to life, schizophrenia is the most disabling and costly condition because treatment options are very limited.
Over 50 million people worldwide suffer from this disorder, and they have frequent relapses, memory loss, reduced brain function, and emotional and functional disability.
While research is still early about probiotics like sauerkraut for schizophrenia, consider these two studies:
- A clinical study that was double-blinded found that supplemental probiotics reduce GI-associated psychiatric symptoms in people with schizophrenia.
- Probiotics and vitamin D reduce psychiatric symptoms yet again in a very recent clinical trial of people with schizophrenia.
Another recent study even found that people with bipolar disorder who took probiotics were less likely to be re-hospitalized with symptoms of mania than those who did not get probiotics.
Tip: Raw sauerkraut was not specifically used in these studies, but one could assume that it would work even better than a probiotic supplement because it is highly concentrated in lactobacillus probiotics.
11. Sauerkraut Benefits: May Reduce Aging
Sauerkraut benefits our vitality because it is rich in antioxidants and anti-aging compounds like polyamines, including putrescine. Polyamines (putrescine, spermine, and spermidine) play an important role in cell health. These amines help with growth and repair.
- The putrescine in sauerkraut may even help reduce the aging of reproductive cells called oocytes in women by improving cellular function.
- Raw sauerkraut’s high putrescine content may also reduce age-related memory decline, according to early work done in animals.
Tip: While it is too soon to say that sauerkraut has the same effects in humans, it is well-established that antioxidant-rich foods like sauerkraut may delay aging processes.
12. Sauerkraut Benefits: Helps Reduce Allergic Symptoms
Another health benefit of sauerkraut may extend to your allergic symptoms. Many people rate sauerkraut at the top of the list for allergic symptom relief.
Immunologists have known that fermented foods help fight allergy symptoms for almost 20 years.
Polyamines that are present in sauerkraut reduce allergic lung and intestinal responses. Food allergy rates are lower in children who have high polyamine intake from foods like sauerkraut in their diet in their first year of life.
Tip: Include fermented foods like sauerkraut daily in your diet if you suffer from allergies.
13. Sauerkraut Skin Benefits
Most people with skin conditions like acne or dermatitis of any kind are eager to do anything it takes to clear up their skin. Some people need to look no further than their gut health.
Sauerkraut is an obvious choice of probiotic for skin conditions because it is such a diverse, broad-spectrum probiotic food! Recent research even shows that fermented foods and probiotics may be helpful in:
- wound healing
- skin cancer prevention.
Sauerkraut is a rich source of probiotics. Numerous probiotic strains are helpful for acne, including those found in sauerkraut.
Tip: Adding sauerkraut to your diet may result in some surprising health benefits for your skin.
14. Sauerkraut Benefits the Immune System
Most of the conditions reviewed here so far deal with the gut-immune axis benefits of sauerkraut.
After all, a huge portion of our immune system is dictated by our innate immunity. Innate immunity is largely controlled by the bacteria we have in our gut.
Experts in the field of immunity are very intrigued by fermented foods like sauerkraut. The benefits of probiotic immunity even extend to our metabolism of calcium and bone health.
Probiotic-rich sauerkraut may help improve bone density via immune system benefits, in other words.
Tip: Maybe we should have done what our grandparents did all along; ferment our foods.
15. Sauerkraut’s Potential Heart Benefits
Making sauerkraut part of your daily routine is also likely good for your heart. Heart disease is related to altered gut bacteria according to new research over the last few years.
A clinical study found that supplemental probiotics, which are found in sauerkraut, improve glucose control, HDL-cholesterol, and cholesterol ratios, and reduced inflammation markers in the body of people who have coronary heart disease and diabetes.
Our gut-derived immune system may dictate a lot about the health of the artery wall and how plaque builds up.
Tip: Including raw sauerkraut in your diet may help improve your heart health.
While it is early to tell if sauerkraut alone helps the heart, the rest of your body will still reap the benefits of eating sauerkraut.
16. Sauerkraut for Joint Health
Probiotic foods like sauerkraut are beneficial to joint health because they can help reduce inflammation in the body. Joint diseases are often linked to abnormal gut health too. This is where sauerkraut can support both bone and joint health.
Lactobacillus probiotics may help even reduce symptoms of rheumatoid arthritis according to research.
Don’t forget that sauerkraut is one of the richest lactobacillus probiotics out there.
Tip: Sauerkraut as part of a healthy diet may help reduce inflammation in your joints.
17. Sauerkraut Benefits for Weight loss
Kimchi and sauerkraut both show promise in helping people reduce their waistlines as shown in clinical studies. Sauerkraut benefits weight loss because it helps:
- Reduce inflammation
- Reduce abdominal fat
- Improve satisfaction from eating
- May prevent fat accumulation
Tip: While nothing alone works to keep us slender, fermented foods like sauerkraut likely do play an instrumental role in keeping us free from the diseases of obesity. By helping us stay lean, fermented foods also can help us prevent heart disease too.
18. Sauerkraut May Improve Energy
By improving your digestion and nutrient absorption, might sauerkraut also improve your energy?
A clinical study of chronic fatigue syndrome addressed this. Supplements of lactobacillus and bifidobacteria, both found in sauerkraut, reduced symptoms of anxiety and depression. A major symptom of depression is fatigue, so by lifting these symptoms, energy can be improved.
Tip: You may get more out of your food for energy with probiotic foods. While no research has answered this question directly, intuitively, it is quite possible that your body’s energy stands to gain from sauerkraut.
19. Eating Sauerkraut Reduces Cancer Risk
Probiotics help the body clear out harmful toxins from the body. Sauerkraut also contains a nutrient called s-methyl methionine, which may reduce stomach cancer risk. Weissella. cibaria, a type of probiotic in kimchi and sauerkraut, may have:
- anticancer activity
- immune-boosting activity
- anti-inflammatory activity
- antioxidant activity
All of the above appear to reduce our risk of cancer.
Eating sauerkraut and cabbage is also associated with a large reduction in breast cancer risk too.
Tip: Although we can’t say that sauerkraut alone reduces cancer risk, it likely supports our ability to fight cancer when combined with a healthy diet.
20. Sauerkraut Benefits: Nutritious
Sauerkraut contains a good amount of vitamin C, vitamin K, and iron. A half cup of sauerkraut has [R]:
- Calories: 14
- Carbohydrates: 3 grams
- Fat: 1 gram
- Fiber 2 grams
- Sodium 469 mg 19% DV
- Vitamin C 11 mg 18% DV
- Vitamin K1 5 mcg 5% DV
- Vitamin K2 5 mcg
- Vitamin B6 0.1 mg 5% DV
- Folate 17 mcg 5% DV
- Iron 1 mg 9% DV
- Manganese 0.1 mg 6% DV
A problem with plant forms of iron is that they often aren’t absorbed well. Not true for sauerkraut! Sauerkraut boasts include being the second-best absorbed plant source of iron.
Carbs in sauerkraut are almost all from fiber, so it is super helpful for people with diabetes.
Nutrient myths about sauerkraut
Vitamin K2-rich food: Some websites claim that sauerkraut has vitamin K2. However, it is such a minuscule amount compared to natto or even cheese, I don’t think it is fair to say that sauerkraut is a good vitamin K2 food source [R]. For example, the total vitamin K2 content of sauerkraut is less than 5 mcg per 100 ml and for natto, it is greater than 900 mcg. Even an egg has over 3 times as much vitamin K2, while hard cheeses have 10 times as much. Read all about vitamin K2 for more information.
High sodium food: Worried about sodium? Bear in mind, that’s a large serving of sauerkraut I listed here. A realistic serving for many people is a couple of tablespoons, which only has 117 mg of sodium. *This is less salt than a typical slice of bread.
21. Sauerkraut Benefits: Inexpensive
Probiotic supplements can be expensive, but homemade sauerkraut only costs pennies a day. All you need is a mason jar, a head of cabbage, and some non-iodized salt!
Tip: Food trends can drive up the price of foods, but there is also an inexpensive way to make fermented foods; by doing it yourself!
22. Sauerkraut Benefits: Easy to make
There are two ways to make sauerkraut. Sauerkraut is a vegan food too (although I don’t recommend this kind of diet for most people).
- Wild fermentation, aka Lacto-fermentation and Lactic-acid fermentation
- Cultured fermentation
The easiest and cheapest is wild fermentation as I described. It requires just salt and cabbage. If you feel you are at risk for tyramine or histamine intolerance, I recommend using cultured fermentation by getting a lactobacillus culture.
Directions for Making Sauerkraut
I recommend checking out the Real Food Dietitians website for how to make good sauerkraut. Here is my simplified version:
- 1 head of red cabbage or green cabbage, preferably organic
- non-iodized salt, about 1 tbsp
- wide-mouth quart-size mason jar
- vegetable pounder*.
- Peel off the outer leaves of a cabbage, then slice the cabbage finely with a sharp knife on a cutting board.*I prefer to use a slicing food processor to slice the cabbage because I don’t risk cutting my fingers! You can find a food processor here.
- Then, massage the chopped cabbage with salt, wait 45 minutes and massage the cabbage again. You can use a vegetable pounder for this task as well.
- Next, tamp down the salted cabbage with a vegetable pounder in a large quart-size wide-mouth mason jar to release the cabbage juice. Make sure the liquid or brine covers all of the cabbage at this point. I recommend using a vegetable pounder like the one you can find here*.
- Place a cabbage leave cut to the size of the jar on top of the cabbage to help keep the sliced cabbage submerged.
- Place a small glass weight on top to weigh it all down, such as a very small glass jar.
- Loosely place a lid on top, making sure it is loose enough so gases can be released from the jar.
- Store the brined cabbage in low light and at room temperature for 7-14 days, and make sure to check on it every day to make sure all the cabbage is covered by the liquid brine.
Buy Raw Sauerkraut
If you don’t want to wait for sauerkraut to ferment, you can always buy some high-quality raw sauerkraut brands at your local store.
- You might like Healing Sauerkraut that you can find here.
- You can find Superkraut Crispy Curry Raw Organic Sauerkraut here.
*As an Amazon Associate, I earn from qualifying purchases.
How to Ferment Foods
Here is a general overview of fermenting foods. As you can see, fermenting fruits and vegetables can be quite easy once you get started. *Image used with permission from M. Swain, Ph.D. from Biotechnology Research International [R].
How to Use Sauerkraut
An important note about raw sauerkraut use: it is a very potent probiotic, so start slow when first introducing this food.
A teaspoon is plenty on the first few days of trying raw sauerkraut. If all goes well, you can increase this amount to a tablespoon a day, and then gradually increase as desired.
My favorite way to eat sauerkraut is like a raw condiment with meals or simply on a fork straight from the jar. It doesn’t have to be complicated! Sauerkraut pairs nicely with meat dishes, salads, soups, and more.
Sauerkraut and sausage is a favorite German meal. Just be sure to eat it raw for beneficial probiotic and enzyme effects. Want more tips about how to use sauerkraut? Check out 45+ Simple Uses for Sauerkraut.
Eating cooked sauerkraut is still very healthy. This is because it will contain some molecular mimicry of the probiotic; think of how the influenza vaccine is delivered; as a dead virus. Our body recognizes immune particles from dead probiotics or bacteria even if they aren’t living.
Precautions with sauerkraut are few and far between, but there are a few things to be aware of when adding sauerkraut or other probiotic-rich foods to your diet. Sauerkraut benefits and side effects can go hand in hand because it is a potent food. It is unlikely to cause health problems, but be aware that anything so potent can also create temporary digestive discomfort in sensitive people.
Start with just a small spoonful a day to prevent and digestive distress.
Some people have a difficult time tolerating histamine and tyramine that is present in sauerkraut. However, new data suggests that most sauerkraut is quite low in these compounds. Sauerkraut may be free of all histamine and tyramine content if it is first inoculated with lactobacillus.
Although probiotics foods are generally safe, be sure to check with your doctor before changing anything in your healthcare routine. When used moderately, sauerkraut can even be eaten on a low sodium diet.
The information on this website is for informational purposes only and is not meant as medical advice. Have a digestive health question? Reach out to me here.
Heidi Moretti, MS, RD is The Healthy RD. A registered dietitian for 23 years as well as a book author of The Whole Body Guide to Gut Health, Heidi has a passion for functional nutrition and natural medicine. She has researched supplements and natural medicine throughout her career. One of her biggest loves is helping people gain function and vitality by tackling the root causes of illness.
24 thoughts on “22 Surprising Raw Sauerkraut Benefits For Your Whole Body”
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After Seeing your post, I came to know the real fact about the probiotic supplement. The benefits of probiotic supplement is too much. All these things I came to know from your post. keep posting these type of article.
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Thanks for that information very interesting.
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It’s good to know that Sauerkraut has anti-aging properties because it’s rich in antioxidants and polyamines. My husband and I are already in our 40s, and we’re very particular about our appearance. Perhaps I should get some Sauerkraut soon so we could try them out. Thanks.
You are very welcome! Good luck trying out sauerkraut, you won’t be disappointed.
Spelling the word leaf of cabbage IS not spelt correct on you blog. Change leave to leaf. Also, you mentioned the words
“leave at room temperature”. When something is subjective, explain it further, please. What could be room temperature is what temperature in your mind? Over all, this article was very informative and thorough. It was a pleasure to come across it. Thanks
Thanks for your comment! I’m glad you enjoyed my post.
Room temperature should be around 70 degrees. If it is warmer, the sauerkraut will simply ferment faster and if it is colder it will ferment slower.
As for the spelling, there can be multiple leaves on the outside of the cabbage that need to be removed, so in context, leaves are used correctly.
Come back and check out my posts any time:)
Cher~ You also are incorrect with the word spelt….it SHOULD be spelled, and your word correct, SHOULD be correctly.
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Unfortunately the schizophrenia study you cited says that NO statistically-significant change in symptoms was observed: “Repeated-measures analysis of variance showed no significant differences in the PANSS total score between probiotic and placebo supplementation (F = 1.28, P = .25)”
Thanks for your reply! You are correct, but they did improve GI associated symptoms. The study right below it did find beneficial effects on PANSS score. See here: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6383260/
Wow, I had no idea that raw sauerkraut had so many amazing benefits for the body! This post was incredibly informative and thorough in outlining the many ways in which consuming raw sauerkraut can improve overall health.
Overall, this post has convinced me of the many benefits of incorporating raw sauerkraut into my diet. Thanks for sharing this valuable information on a superfood that I had previously overlooked.
Thank you for this. A very thorough article. I have had many digestive issues – heartburn/ acid reflux, indigestion, gastritis and IBS. These symptoms reduced considerably since I became fully vegan in 2018. More recently I make my own Sauerkraut and the symptoms have almost gone completely now. One point re Part 11 above. I don’t references and therefore normalisation of testing on animals. Please only report human trials/ research. Animals should not have to suffer for human research in my opinion. Thank you again.