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Nutrition & Training · Hydration & electrolytes · continued

Second pass at: Sodium, potassium and magnesium when intake drops posts 121–143

This is a continuation of a long topic, addressed by post number rather than by page. Start at post 1.

SD
s.duarteTL2 Moderator28 Sep 2024#121

This follows post #118 rather than contradicting it.

Constipation and hydration: dehydration makes constipation worse. Increasing fluid intake is the first intervention for constipation alongside other measures.

6 likes 22mo
VB
v.bhattacharyaTL2 Moderator29 Sep 2024#122
crossref_check, post #78: Fluid intake: baseline needs increase with gastrointestinal effects and exercise. Thirst is not a reliable guide during appetite suppression. Drinking regularly (not just when thirsty) is prudent. Go to post

Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own records is not any individual result; it is that they are dated and consecutive.

16 likes in reply to #78 22mo
AS
a.salcedoTL3Regular29 Sep 2024 · edited#123

Exercise and electrolyte losses: sweating during exercise increases sodium and potassium losses. Electrolyte replacement during or after intense exercise helps maintain balance.

0 likes 22mo
AS
a.sorensenTL2 Moderator30 Sep 2024#124

Worth separating two things that post #120 runs together.

Orthostatic symptoms: dizziness on standing after lying down can indicate dehydration or electrolyte depletion. Increasing fluids, salt, and potassium usually resolves it.

1 like 22mo
FF
f.fonsecaTL2 Moderator30 Sep 2024#125

Picking up post #122: that is the part I would want checked first.

I disagree with the reply above, and I think the disagreement is substantive rather than terminological.

The distinction being drawn does not survive when you look at the published data for this specific question. I would be glad to be shown wrong on this, because the version I am arguing against is more convenient.

10 likes 22mo
BO
b.okonkwoTL2 Moderator1 Oct 2024#126

Coming back to post #124, because the follow-up matters more than the original answer.

The very ordinary causes of week-two malaise: inadequate hydration, low sodium intake, too-rapid calorie deficit, and inadequate sleep are more common causes of fatigue and malaise than compound toxicity.

22 likes 22mo
JD
j.dahlbergTL2 Moderator1 Oct 2024#127
z.onwuka, post #96: On post #92 — agreed on the reasoning, with one qualification. Two things before anyone answers the substance. First, the context in the first post is clear and specific. Second, the question is framed so that an answer can actually address it. Both are the norm here and both matter more than they sound. Go to post

Magnesium: deficiency during weight loss is common and symptoms (fatigue, muscle cramps) are nonspecific. Supplementation is inexpensive and low-risk if needed.

0 likes in reply to #96 22mo
TW
t.wojcikTL2 Moderator2 Oct 2024#128

Potassium: similar to sodium; losing weight involves some potassium loss. Bananas, sweet potatoes, and other potassium-rich foods help. Severe depletion is rare but symptomatic (weakness, palpitations).

3 likes 22mo
CO
c.ostergaardTL2 Moderator2 Oct 2024#129
a.salcedo, post #123: Exercise and electrolyte losses: sweating during exercise increases sodium and potassium losses. Electrolyte replacement during or after intense exercise helps maintain balance. Go to post

Sodium: losing weight involves losing some sodium. Electrolyte drinks or salty foods help maintain sodium balance. Very low sodium intake on these compounds raises orthostatic symptoms risk.

15 likes in reply to #123 22mo
PI
p.iyer_pharmdTL3Pharmacist3 Oct 2024#130
a.adeyemi, post #24: Picking up post #21: that is the part I would want checked first. Potassium: similar to sodium; losing weight involves some potassium loss. Bananas, sweet potatoes, and other potassium-rich foods help. Severe depletion is rare but symptomatic (weakness, palpitations). Go to post

I read post #128 twice before replying, because I had assumed the opposite.

Magnesium: deficiency during weight loss is common and symptoms (fatigue, muscle cramps) are nonspecific. Supplementation is inexpensive and low-risk if needed.

30 likes in reply to #24 22mo
YA
y.asanteTL2 Moderator3 Oct 2024#131

Worth separating two things that post #127 runs together.

Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own records is not any individual result; it is that they are dated and consecutive.

0 likes 22mo
JW
journalclub_wrenTL3Regular4 Oct 2024#132

Constipation and hydration: dehydration makes constipation worse. Increasing fluid intake is the first intervention for constipation alongside other measures.

0 likes 22mo
SV
s.vukovicTL2 Moderator4 Oct 2024#133
n.nyberg, post #65: On post #61 — agreed on the reasoning, with one qualification. Orthostatic symptoms: dizziness on standing after lying down can indicate dehydration or electrolyte depletion. Increasing fluids, salt, and potassium usually resolves it. Go to post

The very ordinary causes of week-two malaise: inadequate hydration, low sodium intake, too-rapid calorie deficit, and inadequate sleep are more common causes of fatigue and malaise than compound toxicity.

12 likes in reply to #65 22mo
SS
steady_stateTL3Regular5 Oct 2024 · edited#134

This follows post #131 rather than contradicting it.

Lab testing: if symptoms are severe or persistent, checking electrolytes and minerals (sodium, potassium, magnesium, calcium) and interpreting them in context of losses during weight loss is reasonable.

4 likes 22mo
HA
h.agyemanTL2 Moderator5 Oct 2024#135

On post #131 — agreed on the reasoning, with one qualification.

Water intoxication: drinking excessive water (more than a few liters per day for extended time) without electrolyte replacement can cause hyponatremia. This is rare but serious. Balance fluid with electrolytes.

0 likes 22mo
NA
n.abernathyTL3Analytical chemist6 Oct 2024#136

post #135 answers the question as asked. The question underneath it is different.

Exercise and electrolyte losses: sweating during exercise increases sodium and potassium losses. Electrolyte replacement during or after intense exercise helps maintain balance.

26 likes 22mo
EH
e.halonenTL2 Moderator6 Oct 2024#137
f.fenwick, post #53: Exercise and electrolyte losses: sweating during exercise increases sodium and potassium losses. Electrolyte replacement during or after intense exercise helps maintain balance. Go to post

Orthostatic symptoms: dizziness on standing after lying down can indicate dehydration or electrolyte depletion. Increasing fluids, salt, and potassium usually resolves it.

8 likes in reply to #53 22mo
DH
dietitian_hollisTL3Dietitian7 Oct 2024#138

I disagree with the reply above, and I think the disagreement is substantive rather than terminological.

The distinction being drawn does not survive when you look at the published data for this specific question. I would be glad to be shown wrong on this, because the version I am arguing against is more convenient.

2 likes 22mo
VR
v.rautioTL2 Moderator7 Oct 2024#139

Fluid intake: baseline needs increase with gastrointestinal effects and exercise. Thirst is not a reliable guide during appetite suppression. Drinking regularly (not just when thirsty) is prudent.

0 likes 22mo
BJ
b.jankowiakTL3Regular7 Oct 2024#140

Sodium: losing weight involves losing some sodium. Electrolyte drinks or salty foods help maintain sodium balance. Very low sodium intake on these compounds raises orthostatic symptoms risk.

19 likes 22mo
MA
mi.almeidaTL2 Moderator8 Oct 2024#141

Lab testing: if symptoms are severe or persistent, checking electrolytes and minerals (sodium, potassium, magnesium, calcium) and interpreting them in context of losses during weight loss is reasonable.

0 likes 22mo
NT
n.torrenceTL3Regular8 Oct 2024#142

Water intoxication: drinking excessive water (more than a few liters per day for extended time) without electrolyte replacement can cause hyponatremia. This is rare but serious. Balance fluid with electrolytes.

2 likes 22mo
KA
k.agyemanTL2 Moderator9 Oct 2024#143
k.kimani, post #52: On post #48 — agreed on the reasoning, with one qualification. Constipation and hydration: dehydration makes constipation worse. Increasing fluid intake is the first intervention for constipation alongside other measures. Go to post

Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the kind that comes from remembering a figure instead of looking it up.

8 likes in reply to #52 22mo

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