News & tips on health, fitness and nutrition
Showing posts with label chia. Show all posts
Showing posts with label chia. Show all posts

Wednesday, December 17, 2025

Chia Seeds vs. Salmon: Anti-Inflammatory and Antioxidant Comparison

Chia seeds and salmon are both nutrient powerhouses, but they excel in different areas for anti-inflammatory and antioxidant effects.
  • Omega-3 Content and Anti-Inflammatory Effects:
    • Chia seeds are exceptionally rich in alpha-linolenic acid (ALA), a plant-based omega-3. Per 100g, chia provides 17-18g of ALA, far more total omega-3 than salmon (1.8-2g per 100g serving, mostly EPA + DHA).
    • Salmon delivers pre-formed EPA and DHA, the long-chain omega-3s directly linked to strong anti-inflammatory benefits (e.g., reducing pro-inflammatory cytokines, supporting heart health, and easing conditions like arthritis).
    • The human body converts ALA to EPA/DHA inefficiently: typically 5-10% to EPA and <1-5% to DHA (often lower in men or with high omega-6 intake). Thus, while chia contributes to omega-3 intake, salmon provides more bioavailable anti-inflammatory omega-3s.
  • Antioxidant Power:
    • Chia seeds stand out with high levels of polyphenols (e.g., quercetin, kaempferol, chlorogenic acid), which combat free radicals and oxidative stress more robustly than salmon.
    • Salmon offers some antioxidants like astaxanthin (a potent carotenoid giving its pink color) and selenium, but overall lower polyphenol content compared to chia.
In summary, salmon edges out for direct anti-inflammatory effects via EPA/DHA, while chia shines brighter for antioxidant protection.

Wednesday, December 10, 2025

Health Benefits of Chia Seeds

  1. High Fiber for Digestion and Blood Sugar Control — ~34-40g fiber per 100g (mostly soluble), promotes satiety, slows carb absorption, and may stabilize blood glucose (helpful for diabetes management).
  2. Heart Health Support — Omega-3 (ALA), fiber, and antioxidants may lower blood pressure, reduce LDL cholesterol/triglycerides, and decrease inflammation markers.
  3. Rich in Plant Protein — ~16-17g per 100g, complete with all essential amino acids.
  4. Bone Health — Excellent source of calcium (~631mg/100g), magnesium, and phosphorus—more calcium than many dairy sources.
  5. Weight Management — Absorb water to form a gel, increasing fullness and potentially aiding weight loss.
  6. Antioxidant and Anti-Inflammatory Effects — Polyphenols protect cells, reduce oxidative stress, and support immune function.
  7. Mineral Boost — High in iron, zinc, and selenium for energy, immunity, and thyroid health.
Chia seeds are versatile (add to puddings, smoothies, yogurt) and vegan-friendly, making them a great complement to salmon or alternative for plant-based diets.

Wednesday, August 20, 2025

Chia seeds

The chia seeds are “super” because, like a superfruit, they deliver the maximum amount of nutrients with minimum calories. They have several of the same benefits as the more well-known “super seed” flax, but unlike flax seed, you don’t need to grind them to reap the health benefits. The nutritional benefits of chia include fiber, omega fatty acids, calcium, antioxidants and much more – even protein!

Best place to buy:      $48.07 (was 37.56 last year)   Bob's Red Mill Chia Seed, 16 oz (Pack of 4)

Chia seeds have 
  • 30% more antioxidants than blueberries.
  • 6 x more calcium than whole milk.
  • 15 x more magnesium than broccoli.
  • 25% more fibre than flax seeds.
  • 8 x more omega 3 than salmon.
  • 3 x more iron than spinach.
Chia is an edible seed that comes from the desert plant Salvia hispanica, a member of the mint family that grows abundantly in southern Mexico. You may have seen chia sprouts growing on the novelty planters called Chia Pets, but historically, the seeds have been the most important part of the plant. In pre-Columbian times they were a main component of the Aztec and Mayan diets and were the basic survival ration of Aztec warriors.

Chia is very rich in omega-3 fatty acids, even more so than flax seeds. And it has another advantage over flax: chia is so rich in antioxidants that the seeds don't deteriorate and can be stored for long periods without becoming rancid. And, unlike flax, they do not have to be ground to make their nutrients available to the body. Chia seeds also provide fiber (25 grams give you 6.9 grams of fiber) as well as calcium, phosphorus, magnesium, manganese, copper, iron, molybdenum, niacin, and zinc.


Another advantage: when added to water and allowed to sit for 30 minutes, chia forms a gel. Researchers suggest that this reaction also takes place in the stomach, slowing the process by which digestive enzymes break down carbohydrates and convert them into sugar.

Chia has a nutlike flavor. You can mix seeds in water and add lime or lemon juice and sugar to make a drink known in Mexico and Central America as "chia fresca." As with ground flax seeds, you can sprinkle ground or whole chia seeds on cereal, in yogurt or salads, eat them as a snack, or grind them and mix them with flour when making muffins or other baked goods. I find them tasty and an interesting addition to my diet.

Chia is undergoing something of a renaissance after centuries of neglect. It was a major crop in central Mexico between 1500 and 900 B.C. and was still cultivated well into the 16th century, AD, but after the Spanish conquest, authorities banned it because of its close association with Aztec religion (Indians used the seeds as offerings in rituals).

more on chia seeds; chia pudding recipe
  • According to studies, Chia possesses the highest percentage of the polyunsaturated fatty acids (linolenic and linoleic) of all crops. Chia seeds contain 60% omega 3 fatty acids. 
  • The protein content of Chia is higher that other nutritional grains. Unlike other grains, it is a complete protein, meaning that it has the appropriate balance of all essential amino acids. About 19 to 23% of chia seeds weight is protein. 
  • Chia seeds are high in fiber, a 15 gm serving of chia seeds will provide 4 to 5 gm of fiber. Our body requires at least 35 gm of fiber a day to stay healthy. 
  • Chia seeds contain boron which is essential for bone health. 
  • Chia seeds are rich in calcium, about 2 oz of chia seeds contains 600 mg of Calcium, as compared to 120 mg for a cup of milk. 
  • Chia seeds have 2 times more potassium than banana. 
  • Chia seeds have 3 times more antioxidants than blueberries
One of the four main Aztec crops at the time of Columbus’s arrival in the New World, chia is now a forgotten food of the Americas. Chia seed oil offers the highest omega-3 fatty acid content available from plants, but today this species is known only for its use in "chia pets." Yet pre-Columbian civilizations used chia as a raw material for medicines and nutritional compounds, while chia flour could be stored for years as a food reserve and was valued as a source of energy on long journeys.
In this book, agronomist Ricardo Ayerza and agricultural engineer Wayne Coates trace the long and fascinating history of chia’s use, then reveal the scientific story of the plant and its modern potential. They compare fatty acid profiles of chia with our other major sources—fish oil, flaxseed, and marine algae—and provide evidence that chia is superior in many ways.

Here are just some of the benefits that chia provides:
- chia has the highest known percentage of alpha-linolenic acid, and the highest combined alpha-linolenic and linoleic fatty acid percentage of all crops
- chia has more protein, lipids, energy, and fiber—but fewer carbs—than rice, barley, oats, wheat, or corn—and its protein is gluten-free
- chia is an excellent source of calcium, phosphorus, magnesium, potassium, iron, zinc, and copper
- chia is low in sodium: salmon has 78 times as much, tuna 237 times as much
- chia exhibits no evidence of allergic response, even in individuals with peanut and tree-nut allergies
- chia doesn’t give off a “fishy flavor,” unlike some other sources of omega-3 fatty acid
The need to balance the essential fatty acid content of the human diet, combined with the need for a safe, renewable, omega-3 fatty acid source, positions chia to become one of the world’s important crops.



Gram for gram, chia seeds are a superior source of many nutrients 

• Perfect Ratio of Omega-3 & Omega-6: Chia seeds provide the highest amounts of vegetarian Omega-3’s, and offer an ideal Omega-3 to Omega-6 ratio of 3:1. These essential fatty acids may promote cardiovascular and neurological health, aid in skin repair, and may help to normalize cholesterol, sugar levels, and blood pressure.

• High Quality Protein: Chia seeds are a great vegetarian source of high quality protein containing all essential amino acids. They are perfect for vegetarians and people missing protein in their diets. This protein is more easily absorbed and digested than animal derived proteins.

• Richest Whole Food Source of Fiber: Just one serving of our seeds provides 20% of the daily recommended intake of fiber. Chia contains insoluble and soluble fiber, which may assist in helping to lower cholesterol and blood sugar levels as well as aid with digestion, detoxification, and weight loss.






Tuesday, April 1, 2025

Alpha Linolenic Acid (ALA) : An Underappreciated Omega-3

The inclusion of omega-3 fatty acids from flax oil and fish oil are increasingly popular as food manufacturers seek to improve the nutrient value of their products. Flax contains the omega-3 fatty acid alpha-linolenic acid (ALA). Fish oils are sources of the longer-chain omega-3s eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).

Despite the positive attributes expounded for the category, and omega-3s’ increasing presence in the marketplace, there is also confusing messaging around the health effects of the specific omega-3s, in particular the physiological significance of ALA vs. fish-based EPA and DHA. Recent headlines have warned consumers not to “confuse” the benefits of these omega-3s and have downplayed the significance of ALA for health. However, ALA has an important role in reducing chronic disease through conversion to EPA and DHA, as well as through its own unique metabolic activities. Additionally, what many fail to understand is the critical need for both plant- and fish-based omega-3s, especially considering the increasing predominance of omega-6 fatty acids in the diet.

ALA is the true
“essential” omega-3 fatty acid, because it is the parent fatty acid of the omega-3 family and must be obtained from foods.  ALA’s essential nature is reflected in the federal government’s dietary recommendations. The current recommended Adequate Intake (AI), which represents the average usual intake of a nutrient by healthy people, is based on ALA, not EPA or DHA. Diets deficient in ALA result in impaired vision in monkeys, learning deficits in rats and, in humans, very low levels of omega-3 fatty acids in plasma and red blood cells, as well as nervous system abnormalities such as numbness, weakness and pain in the legs.

Fast conversion facts
ALA and its counterpart omega-6 essential fatty acid, linoleic acid (LA), are converted to longer-chain fatty acids by a series of alternating desaturations and elongations. Conversion is dependent upon a number of factors. Estimates of the amount of ALA converted to EPA range from 0.2% to 8%, with young women showing a conversion rate as high as 21%.  Conversion of ALA to DHA appears limited in humans, with most studies showing a conversion rate of about 0.05%, although one study reported a figure of 4%, and a conversion rate of 9% was reported in young women.   The large differences in the rates of ALA conversion reflect major differences in study methodologies.
The impact that LA has on reducing ALA’s health benefits is often overlooked. Diets rich in LA can reduce the conversion of ALA to EPA and DHA. For example, in a study of 22 healthy men, an LA-rich diet reduced the EPA content of plasma phospholipids significantly after four weeks compared to a low-LA diet, even though both diets contained the same amount of ALA.
The absolute amounts of ALA and LA in the diet also affect ALA conversion. Decreasing the intake of LA has been found to increase the proportion of dietary ALA converted into EPA, while increasing ALA intake can increase the absolute amount of DHA synthesized.
Healthy discoveries
Research indicates ALA consumption may reduce the risk of heart disease and other inflammatory diseases by reducing inflammatory compounds called cytokines and eicosanoids. LA is converted to longer-chain omega-6 fatty acids, in particular, arachidonic acid (AA), the precursor of eicosanoids, several of which promote blood platelet aggregation, the clotting of blood within blood vessels (thrombosis) and inflammatory reactions. ALA dampens inflammation by blocking the formation of the compounds that promote it. Inflammation is a feature of many chronic diseases, such as heart disease, type 2 diabetes, metabolic syndrome, obesity, cancer and Alzheimer’s disease. In addition, ALA interferes with the conversion of LA to AA—acting as a “nutritional brake” to block further synthesis of AA to its pro-inflammatory eicosanoids.
For example, in a study of healthy men who consumed 1.75 tablespoons of flax oil daily for four weeks, the TXB2 (an inactive metabolite of TXA2) concentration in immune cells decreased by 30%.
TXA2 is one of the most-potent known promoters of both inflammation and platelet aggregation. Similarly, concentrations of the pro-inflammatory cytokines TNF-α and IL-1β in immune cells decreased 26% and 28%, respectively. In another study, serum levels of TNF-α decreased by 43%, and the production by immune cells of TNF-α and IL-1β decreased between 18% and 22% in 23 people with high cholesterol levels who consumed a diet rich in ALA compared with the average American diet, further supporting the anti-inflammatory aspects of ALA.
ALA, EPA and DHA have all been shown to prevent sudden death from arrhythmias in animals and reduce the risk of sudden cardiac death in humans. Arrhythmias are abnormal rhythms of the heart muscle that can lead to sudden death. ALA assists in achieving a normal heart rhythm by decreasing the heart muscle recover time after a heart beat and by maintaining a steady heart beat.13 In the Nurses’ Health Study, women who consumed as little as 1.2 grams of ALA daily (the amount found in less than 1 teaspoon of flax oil) had a 40% lower risk of sudden cardiac death than women with a low-ALA diet.
Epidemiological studies and, increasingly, clinical work support the beneficial effects of ALA in minimizing the risk of heart disease and for anti-inflammatory effects. ALA is the main, if not only, omega-3 in the diet of at least one billion vegetarians worldwide; despite not consuming fish, vegetarians do not have a higher prevalence of chronic diseases than nonvegetarians.
There is no doubt that EPA and DHA are beneficial, as these fatty acids have been the subjects of thousands of clinical trials. In Sept. 2004, FDA approved a qualified health claim for reduced risk of coronary heart disease on conventional foods that contain EPA and DHA. This claim, however, does not extend to ALA, because ALA was not a part of the petition process. The FDA has never assessed nor denied a qualified health claim for ALA.
Assessing intake
The current AI of ALA for men is 1.6 grams of ALA per day; for women who are not pregnant or breastfeeding, it is 1.1 grams of ALA per day. Of these amounts, about 10%—160 mg per day for men and 110 mg per day for women—can come from a combination of EPA plus DHA.
2
Canadian children consume 1.2 grams of ALA and 92 mg of EPA plus DHA on average every day. Although their average omega-3 intake appears to be adequate, only 61% of the children met the AI for ALA and only 22% met the AI for EPA plus DHA.
Some experts believe higher intakes of omega-3 fatty acids are needed for health: an intake of 2.2 grams per day for ALA; an EPA plus DHA intake of 500 mg per day to decrease the risk of coronary heart disease; and an EPA plus DHA intake of 1,000 mg (or 1 gram) per day for adults with diagnosed heart disease. Clinical studies suggest that 3.6 grams of ALA (found in less than 1.5 teaspoon of flax oil) can be converted by the body to 500 to 540 mg of long-chain omega-3s, bringing current intakes closer to that recommended for reducing the risk of heart disease.
It is unfortunate that in the “omega-3 debate” there are those who choose to downplay the importance of ALA in the diet and simply ignore the omega-6 side of the metabolic equation. The typical North American diet is “deficient” in omega-3 fatty acids and overly rich in omega-6 fatty acids. The omega-6 to omega-3 ratio may be as high as 17:1 in some Western diets. In the Women’s Health Study, some women ate diets with a ratio of 33:1. The omega-6 to omega-3 ratio recommended by international nutrition agencies ranges from 4:1 to 10:1. The best route to improving one’s omega-6 to omega-3 ratio is by decreasing the intake of omega-6 fats and increasing the intake of the omega-3 fats ALA, EPA and DHA in whole foods, flax, fortified foods and supplements.



Dietary sources

Seed oils are the richest sources of α-linolenic acid, notably those of rapeseed (canola), soybeans,walnuts, flaxseed (linseed oil), perilla, chia, and hemp. α-Linolenic acid is also obtained from the thylakoid membranes of the green leaves of broadleaf plants (the membranes responsible for photosynthesis).
Common nameAlternate nameLinnaean name% ALA
Chiachia sageSalvia hispanica64%
Kiwifruit seedsChinese gooseberryActinidia chinensis62%
PerillashisoPerilla frutescens58%
FlaxlinseedLinum usatissimum55%
LingonberrycowberryVaccinium vitis-idaea49%
PurslaneportulacaPortulaca oleracea35%
Sea buckthornseaberryHippophae rhamnoides L.32%
HempcannabisCannabis sativa20%
RapeseedcanolaBrassica napus10%
SoybeansoyaGlycine max8%