Just a pinch… your body needs just a tiny bit of salt for daily healthy functioning

Quick Read:

  • All salt types contain sodium. Even sea salt, Himalayan pink salt, or kosher salt have similar sodium content, so choosing lower sodium versions or reducing total intake is the important part that’s going to make a difference.
  • Extra sodium causes your body to retain water and increases blood volume, which raises pressure on blood vessel walls. This is a major driver of hypertension.

Salt rarely gets our attention, yet it plays a quiet, powerful role in heart health. Most of us take in far more sodium than our bodies need, often without realising it, through everyday foods rather than the salt we add ourselves.

Understanding where salt comes from, how much the body actually needs, and what excess does to the heart is a small shift in awareness that can make a meaningful difference to your long-term health.

 

What role does salt play?

Salt enhances flavour, preserves food, and supplies sodium and chloride. These are minerals your body actually needs. In the right amounts, salt helps muscles contract and relax, allows nerves to send messages, and keeps your body’s water and minerals in balance.

So yes, salt matters. But here’s where it becomes a problem.

Can salt really raise blood pressure?

Your kidneys are powerful, but they have limits. When too much sodium enters the body, the kidneys can’t clear it fast enough. To cope, your body holds onto water to dilute the excess salt. That extra water increases the volume of blood in your bloodstream. More blood means more pressure.

More pressure means your heart has to work harder, every minute of the day. That strain stiffens blood vessels and raises blood pressure, quietly increasing the risk of heart attack, stroke, or heart failure.

Salt effects heart health

When salt starts stealing from your bones…

Too much salt doesn’t just affect your heart, it can weaken your bones. Excess sodium causes your body to lose more calcium through urine. And if your diet isn’t supplying enough calcium to replace it, your body borrows from its own reserves: your bones. Over time, that withdrawal increases the risk of osteoporosis.

It’s a good idea to minimise salt intake, but cutting salt too aggressively can also backfire. Very low salt intake has been linked to low blood pressure, dehydration, low sodium levels, and even higher blood fat levels. The goal isn’t elimination, it’s moderation.

How much salt should I eat daily?

So how do you stay in the safe zone? Start with the label. Choose foods that are marked as low-sodium or reduced sodioum. Check the sodium value per 100g or per serving as this is the quickest way to compare products honestly.

As a benchmark, the American Heart Association recommends no more than 2,300 mg of salt per day, with an ideal target of 1,500 mg — that’s about three-quarters of a teaspoon.

Help at hand

So, here’s the good news: eating less salt doesn’t mean eating bland food. It means being more intentional.

Start by letting herbs and spices do the heavy lifting. Garlic, cumin, paprika, chilli, lemon, rosemary and coriander can transform a meal without adding a single grain of salt.

Next, lean into fresh foods. The more whole and unprocessed your ingredients are, the less hidden sodium you’ll consume, and the more natural flavour you’ll taste.

Small swaps that add up:

  • Choose unsalted nuts and seeds, and opt for dried beans, peas and lentils instead of canned versions when you can.
  • If you do use canned vegetables, rinse them well to wash away excess sodium.
  • Keep salty snacks to the occasional treat, not daily habits.
  • When eating out, ask for your meal to be prepared without added salt. You can always add a little yourself if needed.
  • Read food labels and compare sodium per serving before you buy.

These aren’t drastic changes. They’re practical choices you can start today.

Please also take care if you have high blood pressure or heart disease,  and get personalised advice. A doctor or registered dietitian can help you find an eating plan that protects your health without sacrificing taste and enjoyment.

Images: Freepik