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What should I eat after Cancer Diagnosis?

is a very common question asked.​
Choose food and supplements personalized to your cancer, genes, ongoing treatments and lifestyle.

is a very common question asked. Choose food and supplements personalized to your cancer, genes, ongoing treatments and lifestyle.

Personalized cancer Nutrition Planning for only .

Personalized cancer Nutrition Planning for only​ .

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For Which Cancer Types Should I Avoid Licorice Supplement?

Jun 14, 2021

Estimated reading time: 9 minutes
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Highlights

Nutritional supplements like Licorice have many health benefits and are being widely used by cancer patients and those at-genetic-risk of cancer. But, is it safe to take Licorice supplements for all types of cancer and without considering any ongoing treatments and other lifestyle conditions? A common belief but only a myth is that anything natural can only benefit me or do no harm. As one example, the use of grapefruit with certain medications is not recommended. Another example, the use of spinach with some blood thinning medications can cause adverse interactions and should be avoided. For cancer, nutrition which includes the food and natural supplements has been shown to influence outcomes. Hence a frequently asked question by cancer patients to dieticians and doctors is “What Should I eat and What Should I Avoid?”.

Taking nutritional Licorice supplements can benefit cancer patients with Renal Non-Clear Cell Carcinoma on Bevacizumab treatment. But avoid Licorice supplements if on Cyclophosphamide treatment for Pineoblastoma. Similarly, taking nutritional supplement Licorice can benefit healthy individuals who are at genetic risk of cancer due to mutation of gene KIT. But avoid taking nutritional supplement Licorice when at genetic risk of cancer due to mutation of gene CHEK2.

The takeaway being – your individual context will influence your decision if nutritional supplement Licorice is safe or not. And also that this decision needs to be constantly revisited as conditions change. Conditions like cancer type, current ongoing treatments and supplements, age, gender, weight, height, lifestyle and any genetic mutations identified matter. So a legitimate question for you to ask for any recommendation of food and natural supplement is how it is related to your individual context.



Brief Overview

Nutritional supplements – vitamins, herbs, minerals, probiotics, and other specialty categories are increasing. Supplements  are high concentrations of active ingredients which are also found in different foods. The difference being foods contain more than one active ingredient at lower diffused concentrations. Remember that each of these ingredients has its own science and biological mechanism at molecular level – hence choose  the right combination of supplements like Licorice based on individual context and conditions.

Licorice Supplements for Cancer Treatment and Genetic Risk

So the question is should you take supplement Licorice? Should you take it when at genetic risk of cancer for mutation of gene CHEK2? Should you take it when at genetic risk of cancer for mutation of gene KIT? Should you take it when diagnosed with Pineoblastoma? Should you take Licorice supplement when diagnosed with Renal Non-Clear Cell Carcinoma? Should you take it when on Cyclophosphamide treatment? Should you continue taking it if you change your treatment from Cyclophosphamide to Bevacizumab? So a general explanation like – it is natural or it increases immunity may not be acceptable and sufficient for choosing Licorice. 

Cancer

Cancer remains an unsolved problem statement. The improved availability of personalized treatments and monitoring of cancer via blood and saliva have been significant factors to improve outcomes. The earlier the intervention – the better the influence on outcome. Genetic testing has the potential to assess cancer risk and susceptibility early. But besides regular monitoring in most cases there are no therapeutic intervention options available. After diagnosis with cancer such as Pineoblastoma or Renal Non-Clear Cell Carcinoma, the treatments get personalized to tumor genomics and factors like staging of disease, age and gender. During cancer remission (after treatment cycle is complete) – monitoring is used for assessment of any relapse and accordingly decide next steps. A large majority of cancer patients and those at-risk do take nutritional supplements like Licorice.

So the question is that are all genetic mutation risks and types of cancers to be considered as one when deciding the use of Licorice? Are the biochemical pathway implications of genetic risk for cancer due to mutation of gene CHEK2 the same as due to mutation of gene KIT? Are the implications of Pineoblastoma same as Renal Non-Clear Cell Carcinoma? Is it one and the same if you are on treatment with Cyclophosphamide or on Bevacizumab? 

Licorice – A Nutritional Supplement

Licorice is a herbal plant which is native to Asia and Europe. Licorice is usually used as a flavoring agent.  The root of licorice has medicinal properties. Licorice is considered the “Father of Herbal Medicine”. (Mikkel R. Deutch et al, Foods., 2019)  Deglycyrrhizinated licorice (DGL) is the most preferred form. The health benefits of consuming Licorice are:

The excess use of licorice results in conditions like electrolyte imbalance, cardiac and neurological issues. (Hesham R. Omar, Ther Adv Endocrinol Metab., 2012)

Licorice supplements contain many active ingredients including Licochalcone A, Isoliquiritigenin and Liquiritigenin at different concentration levels. The molecular pathways which are regulated by Licorice include DNA Repair, Epithelial to Mesenchymal Transition, Estrogen Signaling, Hypoxia and Oxidative Stress. These cellular pathways directly or indirectly regulate specific cancer molecular endpoints like growth, spread and death. Because of this biological regulation – for cancer nutrition, the right choice of supplements like Licorice individually or in combination is an important decision to be made. When making decisions on the use of supplement Licorice for cancer – do consider all these factors and explanations. Because just as true for cancer treatments – Licorice use cannot be a one-size-fits-all decision for all types of cancers.

Choosing Licorice Supplements for Your Cancer

The reason there is no easy way to answer the question “When should I avoid Licorice for Cancer” is because “It Depends!”. Just like the same treatment does not work for every cancer patient, based on your individual context the Licorice may be harmful or safe. Along with which cancer and associated genetics – the ongoing treatments, supplements, lifestyle habits, BMI and allergies are all factors deciding if Licorice should be avoided or not and why.

1. Will Licorice Supplements benefit Cancer Patients with Pineoblastoma undergoing Cyclophosphamide treatment?

Pineoblastoma is characterized and driven by specific genetic mutations like ATR and ATM leading to biochemical pathway changes in DNA Repair, EPHRIN Signaling and PI3K-AKT-MTOR Signaling. A cancer treatment like Cyclophosphamide works through a specific pathway mechanism of action. The goal is to have a good overlap between the treatment and cancer driving pathways for a personalized approach which is effective. In such a condition any food or nutritional supplement which has a contrary effect to the treatment or reduces the overlap should be avoided. As an example, Licorice supplement should be avoided for Pineoblastoma along with Cyclophosphamide treatment. Licorice supplement impacts pathways/processes like DNA Repair which either promote drivers of the Pineoblastoma and/or nullify the treatment effect. Additionally, Licorice supplements contain active ingredients like Isoliquiritigenin and Licochalcone A which has CYP3A4 and CYP2C19 interaction with the Cyclophosphamide treatment, and hence should be avoided. (Pius S. Fasinu et al, Front Oncol., 2019; Sachiko Tsukamoto et al, Biol Pharm Bull. 2005, Guannan Li, Eur J Pharm Sci., 2017 ) Some of the factors which should be considered when choosing nutrition are type of cancer, treatments and supplements being taken currently (if any), age, gender, BMI, lifestyle and any genetic mutation information (if available).

2. Will Licorice Supplements benefit Cancer Patients with Renal Non-Clear Cell Carcinoma undergoing Bevacizumab Treatment?

Renal Non-Clear Cell Carcinoma is characterized and driven by specific genetic mutations like MUC16 and TP53 leading to biochemical pathway changes in Epithelial to Mesenchymal Transition, Oxidative Stress, Hypoxia, Small Molecule Transport and PI3K-AKT-MTOR Signaling. A cancer treatment like Bevacizumab works through specific pathway mechanisms. The goal is to have a good overlap between the treatment and cancer driving pathways for a personalized approach. In such a condition any food or nutritional supplement which has a compatible effect to the treatment or reduces the overlap should be considered. As an example, Licorice supplement should be considered for Renal Non-Clear Cell Carcinoma along with Bevacizumab treatment. Licorice supplement pathways/processes like Epithelial to Mesenchymal Transition and Oxidative Stress which either obstruct drivers of the Renal Non-Clear Cell Carcinoma and/or improve the treatment effect. 

For Which Cancer to Avoid taking Supplement Licorice

Foods to Eat After Cancer Diagnosis!

No two cancers are the same. Go beyond the common nutrition guidelines for everyone and make personalized decisions about food and supplements with confidence.

3. Are Licorice Supplements Safe for Healthy Individuals with CHEK2 Mutation Associated Genetic Risk?

Different companies offer panels of genes to be tested for assessing genetic risk to different cancers. These panels cover genes associated with cancers of the breast, ovary, uterus, prostate, and gastrointestinal system and others. Genetic testing of these genes may confirm a diagnosis and help guide treatment and management decisions. Identification of a disease-causing variant may also guide testing and diagnosis of at-risk relatives. CHEK2 is one of the genes generally available in panels for cancer risk testing.

CHEK2 mutation causes biochemical pathways Estrogen Signaling, DNA Repair, Stem Cell Signaling, P53 Signaling and Cell Cycle to get impacted. These pathways are direct or indirect drivers of cancer molecular endpoints. Licorice supplement should be avoided when the genetic panel identifies mutation of CHEK2 for Breast Cancer. Licorice supplement impacts pathways/processes like Estrogen Signaling and DNA Repair and creates adverse effects with CHEK2 and related conditions.

4. Are Licorice Supplements Safe for Healthy Individuals with KIT Mutation Associated Genetic Risk?

KIT is one of the genes available in panels for cancer risk testing. KIT mutation causes biochemical pathways Hypoxia, RAS-RAF Signaling, Nucleotide metabolism, Stem Cell Signaling and MAPK Signaling to get impacted. These pathways are direct or indirect drivers of cancer molecular endpoints. Consider taking Licorice supplements when the genetic panel identifies mutation in KIT for Gastric Cancer and Hematological Cancer. Licorice Supplement impacts pathways/processes like Hypoxia and RAS-RAF Signaling and creates a supportive effect in those with KIT mutation and related conditions.

For Which Cancer Types to Avoid Licorice Supplement

* Other Factors are also included like BMI, Lifestyle Habits, Treatments

In Conclusion

The two most important things to remember are that cancer treatments and nutrition are never the same for everyone. Nutrition which includes food and nutritional supplements like Licorice, is an effective tool which can be controlled by you, while facing cancer.

What food you eat and which supplements you take is a decision you make. Your decision should include consideration of the cancer gene mutations, which cancer, ongoing treatments and supplements, any allergies, lifestyle information, weight, height and habits.

The nutrition planning for cancer from addon is not based on internet searches. It automates the decision making for you based on molecular science implemented by our scientists and software engineers. Irrespective of whether you care to understand the underlying biochemical molecular pathways or not - for nutrition planning for cancer that understanding is needed.

Get started NOW with your nutrition planning by answering questions on the name of cancer, genetic mutations, ongoing treatments and supplements, any allergies, habits, lifestyle, age group and gender.

Foods to Eat After Cancer Diagnosis!

No two cancers are the same. Go beyond the common nutrition guidelines for everyone and make personalized decisions about food and supplements with confidence.


Cancer patients often have to deal with different chemotherapy side effects which affect their quality of life and look out for alternative therapies for cancer. Taking the right nutrition and supplements based on scientific considerations (avoiding guesswork and random selection) is the best natural remedy for cancer and treatment related side-effects.


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