Pollen Allergy in Norway: What Really Happens in the Body – and What Does the Research Say About OptiMSM and Krill Oil?

Over one million Norwegians struggle with pollen allergies. Most just ease the symptoms — but there is another way.

You know the feeling.

You wake up and your nose is already blocked. Your eyes itch before you can properly open them. You check the pollen forecast: high birch pollen levels. Again.

For more than one million Norwegians, this is part of spring. Closed windows. Tired antihistamines. A body on alert against something that is actually harmless.

But what if you could do more than just silence the alarm?

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Key figures

• Over 1 million Norwegians have pollen allergies
• Each person loses an average of 14 days of normal function per season
• The societal costs are estimated at around 10 billion kroner per year (Source: NAAF)

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What really happens in the body?

When birch pollen lands in the nose or eyes, the immune system starts a chain reaction.

You have something called mast cells in your body — think of them as an alarm system. For most people, these distinguish between real threats and harmless things like pollen. In allergy sufferers, the mast cells are a bit too eager. They interpret pollen as an attack and release histamine — which causes swelling, itching, runny nose, and watery eyes.

Antihistamines block the effect of histamine — but do nothing about the actual cause. The mast cells are still restless. The immune system is still out of balance.

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Did you know that gut health affects your allergy?

The gut acts as a protective barrier. If it is weakened, foreign substances enter the bloodstream — and the immune system works overtime. This can noticeably worsen allergy symptoms.

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OptiMSM — what is it, and what does the research show?

MSM is a natural sulfur compound produced by the body itself. OptiMSM is the purest form — distilled four times and approved as safe by the US authorities (FDA).

A clinical study from 2002 tested OptiMSM on 55 people with pollen allergies. They took 2,600 mg daily for 30 days:

• Week 1: Noticeable improvement in symptoms
• Week 2: Increased energy levels
• Week 3: Improvement in respiratory symptoms
• No side effects were reported

Interestingly, histamine levels did not change — but the body still reacted differently. This suggests that OptiMSM works further down at the root cause.

This is how it seems to work:

1. Calms down mast cells — they release less histamine
2. Balances the immune system — reduces the allergic overreaction
3. Strengthens the gut barrier — less immune activation

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Omega-3 from krill oil — an important partner

Omega-3 (EPA and DHA) is among the most studied nutrients we know. High EPA levels in the blood are linked to a lower risk of allergy and allergic rhinitis.

Omega-3 from krill oil is absorbed better than regular fish oil because the fatty acids have the same structure as in your cell membranes. Krill oil also contains astaxanthin — a powerful antioxidant that protects against oxidative stress.

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What happens when you combine them?

OptiMSM works on the actual overreaction. Omega-3 reduces the inflammatory background. Together they cover more than they do separately.

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Practical advice for pollen season

Start early — preferably 1–2 weeks before the pollen peak (typically April in Southern Norway).

• OptiMSM: 2,600 mg daily → Buy here
• Omega-3 Krill: Take daily throughout the season → Buy here
• Check the pollen forecast at naaf.no
• Air early in the morning or late at night — that’s when there is the least pollen in the air
• Change clothes after being outside

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References

1. Barrager et al. J Altern Complement Med. 2002. PubMed ID: 12006124
2. Barrager & Schauss. J Altern Complement Med. 2003. PubMed ID: 12676029
3. Nutrients 2025, 17(22), 3506
4. Mar Drugs 2021, 19(6), 306
5. ScienceDirect. Omega-3 fatty acids in asthma and allergic diseases. 2014
6. Frisk et al. Aerobiologia. 2024
7. NAAF — naaf.no