Are Electrolyte Supplements Worth It?
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When To Take Electrolytes (And When We Shouldn’t!)
Any sports nutrition outlet will sell electrolyte supplements. Sometimes in the form of sports drinks that claim to be more hydrating than water, or tablets that can be dissolved in water to make the same. How do they work, and should we be drinking them?
What are electrolytes?
They’re called “electrolytes” because they are ionized particles (so, they have a positive or negative electrical charge, depending on which kind of ion they are) that are usually combined in the form of salts.
The “first halves” of the salts include:
- Sodium
- Potassium
- Calcium
- Magnesium
The “second halves” of the salts include:
- Chloride
- Phosphate
- Bicarbonate
- Nitrate
It doesn’t matter too much which way they’re combined, provided we get what we need. Specifically, the body needs them in a careful balance. Too much or too little, and bad things will start happening to us.
If we live in a temperate climate with a moderate lifestyle and a balanced diet, and have healthy working kidneys, usually our kidneys will keep them all in balance.
Why might we need to supplement?
Firstly, of course, you might have a dietary deficiency. Magnesium deficiency in particular is very common in North America, as people simply do not eat as much greenery as they ideally would.
But, also, you might sweat out your electrolytes, in which case, you will need to replace them.
In particular, endurance training and High Intensity Interval Training are likely to prompt this.
However… Are you in a rush? Because if not, you might just want to recover more slowly:
❝Vigorous exercise and warm/hot temperatures induce sweat production, which loses both water and electrolytes. Both water and sodium need to be replaced to re-establish “normal” total body water (euhydration).
This replacement can be by normal eating and drinking practices if there is no urgency for recovery.
But if rapid recovery (<24 h) is desired or severe hypohydration (>5% body mass) is encountered, aggressive drinking of fluids and consuming electrolytes should be encouraged to facilitate recovery❞
Source: Fluid and electrolyte needs for training, competition, and recovery
Should we just supplement anyway, as a “catch-all” to be sure?
Probably not. In particular, it is easy to get too much sodium in one’s diet, let alone by supplementation.And, oversupplementation of calcium is very common, and causes its own health problems. See:
To look directly to the science on this one, we see a general consensus amongst research reviews: “this is complicated and can go either way depending on what else people are doing”:
- Trace minerals intake: risks and benefits for cardiovascular health
- Electrolyte minerals intake and cardiovascular health
Well, that’s not helpful. Any clearer pointers?
Yes! Researchers Latzka and Mountain put together a very practical list of tips. Rather, they didn’t put it as a list, but the following bullet points are information extracted directly from their abstract, though we’ve also linked the full article below:
- It is recommended that individuals begin exercise when adequately hydrated.
- This can be facilitated by drinking 400 mL to 600 mL of fluid 2 hours before beginning exercise and drinking sufficient fluid during exercise to prevent dehydration from exceeding 2% body weight.
- A practical recommendation is to drink small amounts of fluid (150-300 mL) every 15 to 20 minutes of exercise, varying the volume depending on sweating rate.
- During exercise lasting less than 90 minutes, water alone is sufficient for fluid replacement
- During prolonged exercise lasting longer than 90 minutes, commercially available carbohydrate electrolyte beverages should be considered to provide an exogenous carbohydrate source to sustain carbohydrate oxidation and endurance performance.
- Electrolyte supplementation is generally not necessary because dietary intake is adequate to offset electrolytes lost in sweat and urine; however, during initial days of hot-weather training or when meals are not calorically adequate, supplemental salt intake may be indicated to sustain sodium balance.
Source: Water and electrolyte requirements for exercise
Bonus tip:
We’ve talked before about the specific age-related benefits of creatine supplementation, but if you’re doing endurance training or HIIT, you might also want to consider a creatine-electrolyte combination sports drink (even if you make it yourself):
Where can I get electrolyte supplements?
They’re easy to find in any sports nutrition store, or you can buy them online; here’s an example product on Amazon for your convenience
You can also opt for natural and/or homemade electrolyte drinks:
Healthline | 8 Healthy Drinks Rich in Electrolytes
Enjoy!
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How I Cured My Silent Reflux – by Don Daniels
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Acid reflux, in its various forms (not all of which include heartburn as a symptom!), affects around 1 in 8 people. Often it takes the form of coughing or excess mucus after eating, and it can trigger ostensibly random sweats, for example.
Don Daniels does an excellent job of demystifying the various kinds of acid reflux, explaining clearly and simply the mechanics of what is going on for each of them and why.
Further, he talks about the medications that can make things worse (and how and why), and supplements that can make it better (and supplements that can make it worse, too!), and a multiphase plan (diet on, meds weaned off, supplements on, supplements weaned off when asymptomatic, diet adjust to a new normal) to get free from acid reflux.
The writing style is simple, clear, and jargon-free, while referencing plenty of scientific literature, often quoting from it and providing sources, much like we often do at 10almonds. There are 50+ such references in all, for a 105-page book.
So, do also note that yes, it’s quite a short book for the price, but the content is of value and wouldn’t have benefitted from padding of the kind that many authors do just to make the book longer.
Bottom line: if you have, or suspect you may have, an acid reflux condition of any kind, then this book can guide you through fixing that.
Click here to check out How I Cured My Silent Reflux, and put up with it no longer!
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Breast Milk’s Benefits That Are (So Far) Not Replicable
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Simply The Breast 🎶
In Wednesday’s newsletter, we asked you for your opinion on breast vs formula milk (for babies!), and got the above-depicted, below-described, set of responses:
- 80% said “Breast is best, as the slogan goes, and should be first choice”
- 20% said “They both have their strengths and weaknesses; use whatever”
- 0% said “Formula is formulated to be best, and should be first choice”
That’s the first time we’ve ever had a possible poll option come back with zero votes whatsoever! It seems this topic is relatively uncontentious amongst our readership, so we’ll keep things brief today, but there is still a little mythbusting to be done.
So, what does the science say?
[Breast milk should be the first choice] at least for the few few weeks and months for the benefit of baby’s health as breast milk has protective factors formula does not: True or False?
True! The wording here was taken from one of our readers’ responses, by the way (thank you, Robin). There are a good number of those protective factors, the most well-known of which is passing on immune cells and cell-like things; in other words, immune-related information being passed from parent* to child.
*usually the mother, though in principle it could be someone else and in practice sometimes it is; the only real requirements are that the other person be healthy, lactating, and willing.
As for immune benefits, see for example:
Perspectives on Immunoglobulins in Colostrum and Milk
And for that matter, also:
(Colostrum is simply the milk that is produced for a short period after giving birth; the composition of milk will tend to change later)
In any case, immunoglobulin A is a very important component in breast milk (colostrum and later), as well as lactoferrin (has an important antimicrobial effect and is good for the newborn’s gut), and a plethora of cytokines:
As for that about the gut, lactoferrin isn’t the only breast milk component that benefits this, by far, and there’s a lot that can’t be replicated yet:
Human Breast Milk and the Gastrointestinal Innate Immune System
As long as your infant/child is nutritiously fed, it shouldn’t matter if it comes from breast or formula: True or False?
False! Formula milk will not convey those immune benefits.
This doesn’t mean that formula-feeding is neglectful; as several people who commented mentioned*, there are many reasons a person may not be able to breastfeed, and they certainly should not be shamed for that.
*(including the reader whose words we borrowed for this True/False item; the words we quoted above were prefaced with: “Not everyone is able to breastfeed for many different reasons”)
But, while formula milk is a very good second choice, and absolutely a respectable choice if breast milk isn’t an option (or an acceptable option) for whatever reason, it still does not convey all the health benefits of breast milk—yet! The day may come when they’ll find a way to replicate the immune benefits, but today is not that day.
They both have their strengths and weaknesses: True or False?
True! But formula’s strengths are only in the category of convenience and sometimes necessity—formula conveys no health benefits that breast milk could not do better, if available.
For many babies, formula means they get to eat, when without it they would starve due to non-availability of breast milk. That’s a pretty important role!
Note also: this is a health science publication, not a philosophical publication, but we’d be remiss not to mention one thing; let’s bring it in under the umbrella of sociology:
The right to bodily autonomy continues to be the right to bodily autonomy even if somebody else wants/needs something from your body.
Therefore, while there are indeed many good reasons for not being able to breastfeed, or even just not being safely* able to breastfeed, it is at the very least this writer’s opinion that nobody should be pressed to give their reason for not breastfeeding; “no” is already a sufficient answer.
*Writer’s example re safety: when I was born, my mother was on such drugs that it would have been a very bad idea for her to breastfeed me. There are plenty of other possible reasons why it might be unsafe for someone one way or another, but “on drugs that have a clear ‘do not take while pregnant or nursing’ warning” is a relatively common one.
All that said, for those who are willing and safely able, the science is clear: breast is best.
Want to read more?
The World Health Organization has a wealth of information (including explanations of its recommendations of, where possible, exclusive breastfeeding for the first 6 months, ideally continuing some breastfeeding for the first 2 years), here:
World Health Organization | Breastfeeding
Take care!
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Eat Well With Arthritis – by Emily Johnson, with Dr. Deepak Ravindran
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Author Emily Johnson was diagnosed with arthritis in her early 20s, but it had been affecting her life since the age of 4. Suffice it to say, managing the condition has been integral to her life.
She’s written this book with not only her own accumulated knowledge, but also the input of professional experts; the book contains insights from chronic pain specialist Dr. Deepak Ravindran, and gets an additional medical thumbs-up in a foreword by rheumatologist Dr. Lauren Freid.
The recipes themselves are clear and easy, and the ingredients are not obscure. There’s information on what makes each dish anti-inflammatory, per ingredient, so if you have cause to make any substitutions, that’s useful to know.
Speaking of ingredients, the recipes are mostly plant-based (though there are some chicken/fish ones) and free from common allergens—but not all of them are, so each of those is marked appropriately.
Beyond the recipes, there are also sections on managing arthritis more generally, and information on things to get for your kitchen that can make your life with arthritis a lot easier!
Bottom line: if you have arthritis, cook for somebody with arthritis, or would just like a low-inflammation diet, then this is an excellent book for you.
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Instant Quiz Results, No Email Needed
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❓ Q&A With 10almonds Subscribers!
Q: I like that the quizzes (I’ve done two so far) give immediate results , with no “give us your email to get your results”. Thanks!
A: You’re welcome! That’s one of the factors that influences what things we include here! Our mission statement is “to make health and productivity crazy simple”, and the unwritten part of that is making sure to save your time and energy wherever we reasonably can!
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Reading As A Cognitive Exercise
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Reading, Better
It is relatively uncontroversial to say that reading is good for cognitive health, but we don’t like to make claims without science if we can help it, so let’s get started:
There was a 2021 study, which found that even when controlling for many other factors, including highest level of education, socioeconomic status, and generalized pre-morbid intelligence:
❝high reading activity, as defined by almost daily reading, was associated with lower odds of cognitive decline, compared to low reading activity❞
Source: Can reading increase cognitive reserve?
However, not all reading is the same. And this isn’t just about complexity or size of vocabulary, either. It’s about engagement.
And that level of engagement remains the key factor, no matter how quickly or slowly someone reads, as the brain tends to automatically adjust reading speed per complexity, because the brain’s “processing speed” remains the same:
Read more: Cognitive coupling during reading
Everyone’s “processing speed” is different (and is associated with generalized intelligence and executive functions), though as a general rule of thumb, the more we practice it, the faster our processing speed gets. So if you balked at the notion of “generalized intelligence” being a factor, be reassured that this association goes both ways.
So is the key to just read more?
That’s a great first step! But…
The key factor still remains: engagement.
So what does that mean?
It is not just the text that engages you. You must also engage the text!
This is akin to the difference between learning to drive by watching someone else do it, and learning by getting behind the wheel and having a go.
When it comes to reading, it should not be a purely passive thing. Sure, if you are reading a fiction book at bedtime, get lost in it, by all means. But when it comes to non-fiction reading, engage with it actively!
For example, I (your writer here, hi), when reading non-fiction:
- Read at what is generally considered an unusually fast pace, but
- Write so many notes in the margins of physical books, and
- Write so many notes using the “Notes” function on my Kindle
And this isn’t just like a studious student taking notes. Half the time I am…
- objecting to content (disagreeing with the author), or
- at least questioning it, or which is especially important, or
- noting down questions that came to my mind as a result of what I am reading.
This latter is a bit like:
- when you are reading 10almonds, sometimes you will follow our links and go off down a research rabbit-hole of your own, and that’s great!
- sometimes you will disagree with something and write to tell us, and that’s great too (when this happens, one or the other or all of us will learn something, and yes, we have published corrections before now)!
- sometimes what you read here will prompt a further question, and you’ll send that to us, and guess what, also great! We love questions.
Now, if your enjoyment of 10almonds is entirely passive, don’t let us stop you (we know our readers like quick-and-easy knowledge, and that’s good too), it’s just, the more you actively engage with it, the more you’ll get out of it.
This, by the way, was also a lifelong habit of Leonardo da Vinci, which you can read about here:
How to Think Like Leonardo da Vinci: Seven Steps to Genius Every Day – by Michael J. Gelb
a very good book that we reviewed last year
How you read (i.e. what medium) matters too!
Are you reading this on a desktop/laptop, or a mobile device? That difference could matter more than the difference between paper and digital, according to this study from 2020 that found…
❝The cumulation of evidence from this and previous studies suggests that reading on a tablet affords different interactions between the reader and the text than reading on a computer screen.
Reading on a tablet might be more similar to reading on paper, and this may impact the attentional processes during reading❞
What if my mind wanders easily?
You can either go with it, or train to improve focus.
Going with it: just make sure you have more engaging reading to get distracted by. It’s all good.
Training focus: this is trickier, but worthwhile, as executive function (you will remember from earlier) was an important factor too, and training focus is training executive function.
As for one way to do that…
If you’d like a primer for getting going with that, then you may enjoy our previous main feature:
No-Frills, Evidence-Based Mindfulness
Enjoy!
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Managing Sibling Relationships In Adult Life
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Managing Sibling Relationships In Adult Life
After our previous main feature on estrangement, a subscriber wrote to say:
❝Parent and adult child relationships are so important to maintain as you age, but what about sibling relationships? Adult choices to accept and move on with healthier boundaries is also key for maintaining familial ties.❞
And, this is indeed critical for many of us, if we have siblings!
Writer’s note: I don’t have siblings, but I do happen to have one of Canada’s top psychologists on speed-dial, and she has more knowledge about sibling relationships than I do, not to mention a lifetime of experience both personally and professionally. So, I sought her advice, and she gave me a lot to work with.
Today I bring her ideas, distilled into my writing, for 10almonds’ signature super-digestible bitesize style.
A foundation of support
Starting at the beginning of a sibling story… Sibling relationships are generally beneficial from the get-go.
This is for reasons of mutual support, and an “always there” social presence.
Of course, how positive this experience is may depend on there being a lack of parental favoritism. And certainly, sibling rivalries and conflict can occur at any age, but the stakes are usually lower, early in life.
Growing warmer or colder
Generally speaking, as people age, sibling relationships likely get warmer and less conflictual.
Why? Simply put, we mature and (hopefully!) get more emotionally stable as we go.
However, two things can throw a wrench into the works:
- Long-term rivalries or jealousies (e.g., “who has done better in life”)
- Perceptions of unequal contribution to the family
These can take various forms, but for example if one sibling earns (or otherwise has) much more or much less than another, that can cause resentment on either or both sides:
- Resentment from the side of the sibling with less money: “I’d look after them if our situations were reversed; they can solve my problems easily; why do they resent that and/or ignore my plight?”
- Resentment from the side of the sibling with more money: “I shouldn’t be having to look after my sibling at this age”
It’s ugly and unpleasant. Same goes if the general job of caring for an elderly parent (or parents) falls mostly or entirely on one sibling. This can happen because of being geographically closer or having more time (well… having had more time. Now they don’t, it’s being used for care!).
It can also happen because of being female—daughters are more commonly expected to provide familial support than sons.
And of course, that only gets exacerbated as end-of-life decisions become relevant with regard to parents, and tough decisions may need to be made. And, that’s before looking at conflicts around inheritance.
So, all that seems quite bleak, but it doesn’t have to be like that.
Practical advice
As siblings age, working on communication about feelings is key to keeping siblings close and not devolving into conflict.
Those problems we talked about are far from unique to any set of siblings—they’re just more visible when it’s our own family, that’s all.
So: nothing to be ashamed of, or feel bad about. Just, something to manage—together.
Figure out what everyone involved wants/needs, put them all on the table, and figure out how to:
- Make sure outright needs are met first
- Try to address wants next, where possible
Remember, that if you feel more is being asked of you than you can give (in terms of time, energy, money, whatever), then this discussion is a time to bring that up, and ask for support, e.g.:
“In order to be able to do that, I would need… [description of support]; can you help with that?”
(it might even sometimes be necessary to simply say “No, I can’t do that. Let’s look to see how else we can deal with this” and look for other solutions, brainstorming together)
Some back-and-forth open discussion and even negotiation might be necessary, but it’s so much better than seething quietly from a distance.
The goal here is an outcome where everyone’s needs are met—thus leveraging the biggest strength of having siblings in the first place:
Mutual support, while still being one’s own person. Or, as this writer’s psychology professor friend put it:
❝Circling back to your original intention, this whole discussion adds up to: siblings can be very good or very bad for your life, depending on tons of things that we talked about, especially communication skills, emotional wellness of each person, and the complexity of challenges they face interdependently.❞
Our previous main feature about good communication can help a lot:
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