physical pain

D-phenylalanine (DPA) for easing both physical pain (tooth pain) and emotional pain over the holidays

January 5, 2024 By Trudy Scott 33 Comments

Today I share how the amino acid D-phenylalanine (DPA), used as a supplement multiple times a day, and opened on to my tongue, eased both the physical tooth pain I experienced for 14 days and the emotional pain I was feeling over the holidays.

In this blog I share more about DPA and endorphins when it comes to pain – both physical and emotional. I also share two DPA products I recommend, product label confusion and more about how DPA differs from DLPA (DL-phenylalanine). I am often asked this question and even long time users of DLPA are sometimes surprised to learn how different DPA is. As always, I like to share some research and other related blogs on the topic. Here is my recent and very positive personal experience with DPA, a firm favorite of mine:

I’m just back from the dentist – my crown was re-cemented and I’m a happy camper now. It popped off just before Christmas and I had to wait until now! There was a tiny cavity beneath the crown which is why I was having daily pain.

Thank goodness I always have DPA (the amino acid d-phenylananine) on hand. I gravitate to it for pain relief – sports injuries like muscle sprains, the rare headache and this time for tooth/jaw pain.

I opened a DPA onto my tongue as soon as I could feel the dull ache start and the pain relief lasted a few hours. It works by boosting endorphins to provide pain relief – kind of like acupuncture. I call it “powdered acupuncture”.

Some days I used 3-4 and one day I needed 6. Taking one before bed was wonderful.

I also got bonus benefits for emotional well-being over the holidays. It’s the first Christmas without my darling mom and I really needed the endorphin boost to help with the emotional pain.

The DPA product I used was Doctor’s best (details below) and I opened up the 500 mg capsule onto my tongue each time I needed pain relief.

The number of capsules I needed seemed to vary by how much chewing I was doing (for example, I had more pain after a steak meal vs smoked salmon) and what I was eating or drinking (for example, I had more pain after drinking something cold). I simply used a DPA capsule when the dull pain started, making sure it was away from protein (not always but most of the time).

UPDATE: Sept 13, 2024
DPA has come to my rescue yet again and this time the tooth pain has been very severe. I initially suspected it was the crown again but when I got into the dentist an xray confirmed an abscess at the tip of one of the roots.

It’s a first for me and I’ve never experienced a toothache like this. The pain ramps up from zero to 10 (with 10 being most severe) in a matter of seconds. The only thing that helps right now is DPA. I’m opening a capsule every few hours and have even had to use it every 30 mins when it’s really severe like after drinking or eating something. It brings to pain down to a 3 in a matter of minutes.

I’ve figured out that using a straw to drink liquids helps a ton. I’m also using a soft ice-pack a few times a day too. Strangely it’s worse just before bed, after I take my bedtime supplements. I need the DPA and ice-pack but fortunately I have no pain through the night. Thank goodness for that!

I’m also using a herbal antibiotic and herbal mouth swish from my naturopath while I get a second opinion, learn about my options, and decide next steps.

All this has solidified DPA as my go-to supplement for pain relief.

One of the DPA products I recommend: Doctor’s Best D-Phenylalanine

There are not many d-phenylalanine/DPA products available but of those I have two that I recommend: Doctor’s Best D-Phenylalanine and Lidtke Endorphigen. Both contain 500 mg DPA but the labels can be confusing at first – at least until you’re familiar with them.

Also, this amino acid, DPA, is not to be confused with docosapentaenoic acid (also abbreviated as DPA), an omega-3 fatty acid similar to eicosapentaenoic acid (EPA).

Here is the Doctor’s Best D-Phenylalanine description:

Doctor’s Best D-phenylalanine is a non-protein amino acid that acts as an inhibiting agent to enzymes that degrade enkephalins, naturally occurring peptides in the body that metabolize endorphins. Endorphins are neurotransmitters that play a key role in the function of the nervous system and are associated with feelings of pleasure. By limiting production of enzymes that break down endorphins, the supplement can help support a healthy mood and normal functioning of the nervous system.

Helps support healthy mood
Helps support endorphin metabolism
Help support neurotransmitter function

This is the actual product that I used over the past 2 weeks and have used it on and off as needed for a few years. It was one of the nutrients that helped when I sprained my ankle when visiting my brother in Las Vegas. More here

As you can see there is no mention of pain on the label or product description. I share more on the pain/endorphin connection below.

You can purchase this online from their website or from iherb. If you use my iherb link you’ll save 5%. This is a good option if you’re not in the USA and already use iherb for one-stop shopping of quality products.

The other DPA product I recommend: Lidtke Endorphigen

The other product I recommend is Lidtke Endorphigen which also contains 500 mg DPA and a small amount of vitamin B6 and riboflavin (vitamin B2). As you can see, this product does mention pain but not the emotional support/mood benefits on the front label.

Here is the Lidtke Endorphigen description

Ease Minor Pain & Feel Good with Healthy Endorphin Level Maintenance

Endorphins are nature’s way to relieve common minor pain and promote a cheerful mood. Research shows that endorphins are released in response to pain and stress, bringing relief. The second wind and runner’s high during and after a vigorous run are results of endorphins. Acting as an analgesic and sedative, endorphins diminish our perception of pain…. But there is more.

Recovery centers report that endorphins promote recovery from a wide variety of unhealthy cravings.

Low endorphin symptoms and typical dosing of DPA

I use the symptoms questionnaire to help clients identify if they have low endorphin symptoms (you can see that here).

Typical dosing is 500 mg to 1000 mg DPA 3-4 x day between meals/away from protein. I do find having clients open the capsule onto their tongue to be more effective for quick pain relief – with results as quickly as 5-10 minutes.

DPA vs DLPA: they are quite different but have some overlaps

I am often asked if DPA and DLPA are the same – they are quite different but have some overlaps as outlined in this blog post on the topic: What is the difference between DPA and DLPA (amino acids) and which one do I use for weepiness, heart-ache, pain and energy?

The precautions are also not the same so I always review contraindications with all my clients and encourage you to do the same.

DPA for MS pain, weepiness, emotional pain and more

Here are a few blog posts illustrating the use of DPA in multiple sclerosis, weepiness, physical pain, emotional pain and resilience, cravings/emotional eating and even helping to wean off prescription pain medication:

Multiple sclerosis: low endorphin research and the amino acid DPA (d-phenylalanine) for pain, depression, comfort and trauma support “The endogenous opioid system is …well known to play a role in the development of chronic pain and negative affect [i.e. depression], both of which are common comorbidities in MS.”
DPA for weepiness, pain and comfort and reward eating
The individual amino acids glutamine, GABA, tryptophan (or 5-HTP), DPA and tyrosine are powerful for eliminating sugar cravings, often within 5 minutes
When using the amino acid DPA (d-phenylalanine) I have more resilience and more buffer in the caregiving work I do, and just the oops’s of life As I mentioned above, using DPA over these holidays also gave me more resilience and the endorphin boost I needed help with the emotional pain of losing my mom.
Wean off prescription pain medication, improve sleep and reduce emotional eating with DPA (an endorphin-boosting amino acid)

Be sure to use the search feature on the blog to find additional applications of DPA.

DPA research on pain and depression

The use of DPA is not new as you can read in this paper from 1982 – D-phenylalanine and other enkephalinase inhibitors as pharmacological agents: implications for some important therapeutic application

A number of compounds have been shown to inhibit the degradation of enkephalins. As expected, these compounds produce naloxone reversible analgesia and potentiate the analgesia produced by enkephalins and by acupuncture.

One of these, D-phenylalanine, is also anti-inflammatory.

D-phenylalanine has proven to be beneficial in many human patients with chronic, intractable pain. It is proposed the enkephalinase inhibitors may be effective in a number of human “endorphin deficiency diseases” such as depression, schizophrenia, convulsive disorders and arthritis.

Additional resources when you are new to using DPA and the other amino acids as supplements

We use the symptoms questionnaire to figure out if low endorphins or other neurotransmitter imbalances may be an issue for you.

If you suspect low levels of any of the neurotransmitters and do not yet have my book, The Antianxiety Food Solution – How the Foods You Eat Can Help You Calm Your Anxious Mind, Improve Your Mood, and End Cravings, I highly recommend getting it and reading it before jumping in and using amino acids on your own so you are knowledgeable. And be sure to share it with the practitioner/health team you or your loved one is working with.

There is an entire chapter on the amino acids and they are discussed throughout the book in the sections on gut health, gluten, blood sugar control, sugar cravings, anxiety and mood issues.

The book doesn’t include product names (per the publisher’s request) so this blog, The Antianxiety Food Solution Amino Acid and Pyroluria Supplements, lists the amino acids that I use with my individual clients and those in my group programs. You can find them all – including the Lidtke Endorphigen 500 mg that I mentioned above.

Also mentioned above is Doctor’s Best D-Phenylalanine which can be purchased on iherb.

If, after reading this blog and my book, you don’t feel comfortable figuring things out on your own (i.e. doing the symptoms questionnaire and respective amino acids trials), a good place to get help is the GABA QuickStart Program (if you have low GABA symptoms too). This is a paid online/virtual group program where you get my guidance and community support.

If you are a practitioner, join us in The Balancing Neurotransmitters: the Fundamentals program. This is also a paid online/virtual program with an opportunity to interact with me and other practitioners who are also using the amino acids.

Have you had success using DPA for toothache, dental abscess or your other pain issues – what kind of pain has it helped and how much has helped you?

Has DPA also helped with emotional pain and weepiness? And cravings/emotional eating?

If you’re a practitioner do you have success using DPA with your clients/patients?

Feel free to share and ask your questions below.

When using the amino acid DPA (d-phenylalanine) I have more resilience and more buffer in the caregiving work I do, and just the oops’s of life

July 29, 2022 By Trudy Scott 10 Comments

I had not investigated DPA as I am a joyful, happy person. But recently I have been so depleted that I benefitted much from taking licorice to boost cortisol (who knew cortisol isn’t always to be lowered?)

Your presentation convinced me to try DPA as when I get depleted enough I get weepy (not sadness, just from being physically drained). Wow. I used a 500 mg dose of Lidke Endorphigen in the afternoon, and that has made a startling difference. I have more resilience now, more buffer, in the caregiving work I do, and just the oops’s of life.

I have been an avid note-taker of your summits and the interviews you give on the summits of others, and have recommended your book and blog to precious ones looking for answers to their health challenges.

Because of your diligence, I have been greatly helped by using GABA, 5-HTP (seems to work better for me than tryptophan), and tyrosine (so my thyroid glandular works more effectively).

Thank you ever so much for presenting information with evidence backing in a way that truly meets my curious, investigative, analytical mind. I love to know the whys and hows of things.

Ellen shared this feedback on one of the blogs after she heard me talk about DPA and low endorphins on The Anxiety Summit 5: Gut-Brain Axis. I’m sharing her wonderful results to give you a practical resource if you find yourself depleted and needing resilience as a caregiver. I’m also sharing this in order to illustrate that it’s not always easy to know when to trial a certain amino acid.

Ellen commented that she appreciated understanding the whys and hows of things. She is referring to my explanation of how DPA (d-phenylalanine) works. It’s an amino acid that destroys the enzyme that breaks down endorphins and thereby helps to raise your endorphins. With low endorphins you can feel very weepy, overly emotional, be extra sensitive to emotional pain, be sensitive to physical pain, and indulge in comfort/reward eating. You also often don’t feel joy.

Even though she was well versed in the use of GABA, 5-HTP and tyrosine (and seeing results), she had not investigated DPA. She described herself as a joyful and happy person so she didn’t think she needed DPA.

But her caregiving work (and other health and life challenges) had left her depleted and she started to feel weepy. And she is happy to share that DPA reversed that feeling. I’m thrilled for her and appreciate her for sharing.

The DPA product, how best to use it and how it differs from DLPA

Ellen mentions Lidtke Endorphigen which contains 500 mg of DPA. This product has been a long-time firm favorite with my clients and those in my community.

I used to recommend simply chewing the capsule to get the quickest and best effects and this worked well when it was produced in a gelatin capsule. Now it’s made with a cellulose capsule and chewing doesn’t work at all well, so opening the capsule (or just biting off the top) and tipping the powder into your mouth works best.

I’m often asked about the difference between DPA and DLPA (dl-phenylalanine) so if you have this question you can read more about that here.

Some of the supporting research

Research supports the use of DPA for helping to ease depression and the fact that caregivers are prone to an emotional burden.

D-phenylalanine and other enkephalinase inhibitors as pharmacological agents: implications for some important therapeutic application

It is proposed that the enkephalinase [a subgroup of endorphins] inhibitors may be effective in a number of human “endorphin deficiency diseases” such as depression…

Burden and quality of life of caregivers for hemodialysis patients

Caregivers of hemodialysis patients may experience a significant burden and an adverse effect on their quality of life. Emotional aspects of caregivers (particularly female spouses) and patients are important predictors of burden.

The study mentions that “Social support and psychological interventions should be considered to improve caregiver life and patient outcomes.”

There is no research that I am aware of that has found DPA to be beneficial for caregivers but until we have that research, let’s include nutritional support based on clinical results we see.

This case, Caregiving Burden, Stress, and Health Effects Among Family Caregivers of Adult Cancer Patients, illustrates what many caregivers experience: “extremely high levels of psychological distress, including anxiety, depression, worry and extreme loneliness.”

Ellen was already using GABA, 5-HTP and tyrosine when she added DPA, so as a caregiver she was already addressing her low GABA physical-type anxiety (with GABA), low serotonin worry-type anxiety (with 5-HTP) and low dopamine low-energy/low mood (with tyrosine). Adding DPA was the cherry-on-the-top for her weepiness and low resilience, and gave her more of a buffer.

Resources if you are new to using the amino acids as supplements

If you are new to using any of the amino acids as supplements, here is the Amino Acids Mood Questionnaire from The Antianxiety Food Solution (you can see all the symptoms of neurotransmitter imbalances, including low endorphins).

There is an entire chapter on the amino acids and they are discussed throughout the book in the sections on gut health, gluten, blood sugar control, sugar cravings, self-medicating with alcohol and more.

The book doesn’t include product names (per the publisher’s request) so as mentioned above, this blog, The Antianxiety Food Solution Amino Acid and Pyroluria Supplements, lists the amino acids that I use with my individual clients and those in my group programs.

As mentioned above, Lidtke Endorphigen is the DPA product I’ve had the most success with (and it can be found in my online store). Doctor’s Best D-phenylalanine is also a good product.

If, after reading this blog and my book, you don’t feel comfortable figuring things out on your own (i.e. doing the symptoms questionnaire and respective amino acids trials), a good place to get help is the GABA Quickstart Program (if you have low GABA symptoms). This is a paid online/virtual group program where you get my guidance and community support. There are many moms in the program who are having much success with their kids.

You can then use this knowledge to then trial DPA and other amino acids or move on to the Amazing Aminos for Anxiety Program and get help there.

If you’re a caregiver have you used DPA with success and if yes how has it helped? And do you feel more resilient?

Has GABA, 5-HTP (or tryptophan) and tyrosine also helped you?

What else helps you as a caregiver and what advice would you share with others taking care of a loved one?

If you’re a practitioner, do you use DPA with your clients/patients?

If you have questions please share them here too.

Is DPA stimulating; can it be used with kids and someone with bipolar disorder; can it be used with a benzo/SSRI? (and other questions)

July 22, 2022 By Trudy Scott 12 Comments

DPA (d-phenylalanine) is an amino acid that destroys the enzyme that breaks down endorphins. Endorphins are feel-good chemicals that you experience with an endorphin rush when you go for a run or when someone gives you a big hug, when you show kindness to someone or someone does something nice for you. The amino acid DPA helps to raise your endorphins. With low endorphins you can feel very weepy, overly emotional, be extra sensitive to emotional pain, be sensitive to physical pain, and indulge in comfort/reward eating. Today I’m sharing some questions (and my feedback) as to whether it’s stimulating, can it be used with kids and someone with bipolar disorder, can it be used with a benzo/SSRI and more.

Misha has had success with DPA and wants to know if it is considered too stimulating. Here is her feedback and question:

I first tried DPA after reading about it on your blog and found it helpful for raising my mood. The DPA definitely helped curb my weepiness. I used Lidtke Endorphigen 1 cap/day. I have chronic Lyme which creates severe difficulty with sleep, anxiety and depression. Six months ago my neurologist took me off DPA saying it would be too stimulating to my nervous system.

I have since begun using DPA again; I really need the endorphin boost. Do you have any insights on whether DPA is considered stimulating? Whether it interferes with sleep (unfortunately my sleep is bad whether I take DPA or not)? Or suggestions for time of day to take it?

Here is my feedback for Misha: There is no evidence that DPA is too stimulating whereas DLPA (dl-phenylalanine) is known to be stimulating (it works like a combination of DPA and tyrosine).

And when I hear all this it tells me the person needs endorphin support:

“found it helpful for raising my mood”
“The DPA definitely helped curb my weepiness”
“I have since begun using DPA again; I really need the endorphin boost”

That said anything is possible which is why using the amino acids is based on the questionnaire and trials to see how a person responds. The best way to know if sleep is affected is to monitor sleep when using it and when not using it. She says her sleep is bad whether she takes DPA or not so I would recommend going back to her neurologist, sharing this information and the fact that it’s helping her so much. And look for other causes of her sleep issues.

Anna asks if DPA and other amino acids are safe for kids and how high doses? This is her question:

My 10 yr old has been diagnosed with social anxiety and she ticks off most of the boxes for low endorphins, low GABA, low serotonin. She’s very sensitive and very very emotional. We tried, but can’t seem to find a naturopath that can help her much. I feel after a while they all reach a dead end. I have been following you for a year and recently got your book. It looks relatively easy to follow, however I’m a bit reluctant, as she’s a kid.

My feedback: I work with women and once they have figured out the amino acids and neurotransmitter imbalances themselves they find it much easier to help their children who often have similar issues. When that is not the case working with a practitioner is ideal. That being said many moms become informed and educated enough to trial the amino acids on their own (like this mom who had her daughter use GABA with much success).

Anna says her daughter is very sensitive and very very emotional so I’d consider using 125 mg DPA to start (500 mg is an adult starting dose).With kids we also always start with dietary changes as laid out in my book. A good place to start is with a gluten-free and sugar-free diet and DPA (and the other amino acids) can help curb the cravings and feelings of deprivation.

Anon has bipolar disorder and likes comfort foods. This is her question:

I have bipolar disorder and wonder if the DPA will send me into a manic state. It’s one of the reasons I can’t take anti-depressants or stimulants otherwise I go manic. But I can eat for comfort so I only have food in the house I’m going to eat according to meal schedules. So I want to try the DPA.

Here is my feedback: I have not seen DPA to be an issue with bipolar disorder and it’s fabulous when you are a comfort-eater. If you have bipolar disorder and are on medications, it’s always advised to discuss new supplements with your prescribing doctor. You can share that DPA is not on the list of amino acids that have precautions with bipolar disorder.

I would not recommend the use of DLPA (dl-phenylalanine) with bipolar disorder because some of this increases dopamine (which can trigger a manic state).

Kristie is doing a benzodiazepine taper and would like to use DPA:

I am currently going through a benzo taper & there are numerous wonderful products that I am unable to mix with benzos. Would this be safe for me?

This is my feedback: I have not had issues with DPA with clients who are doing a benzo taper and there are no documented contraindications. DPA can help with some of the emotional blunting caused by benzos and the emotional fragility we often see during a benzo taper. I know some of the great benzo support groups say not to use GABA but I find it very helpful when tapering too.

The medication question is a common one. Someone else described her depression as weepy and is using the SSRI. There are also no documented contraindications when using DPA with a SSRI. But again, best to discuss with the prescribing doctor.

Arleen has a question about blood pressure and the DPA product I recommend (Lidtke Endorphigen):

1) Is this product gluten free and 2) What effect if any would it have on blood pressure (mine is naturally low)

Here is my feedback: Lidtke Endorphigen is gluten-free and I have not seen it or other DPA products to be an issue with low blood pressure.

Jan wants to use GABA and DPA. She asks:

Can I use Gaba 125mg and also take DPA? Would either offset the other?

If someone has low GABA symptoms and GABA helps with the physcal anxiety and they also have low endorphin symptoms and DPA helps then they are absolutely fine to use together and even at the same time. However, I have clients trial one at a time in order to find the ideal dose and so you know how each one is working.