Yes, marine collagen has shown potential in improving gut health. Studies suggest that collagen peptides, including those derived from marine sources, can help support the intestinal mucosal barrier, reduce inflammation, and promote the repair of damaged tissues in the gut.

Here are a few ways marine collagen may benefit gut health:

• Collagen contains amino acids like glycine, proline, and glutamine, which are essential for maintaining the integrity of the intestinal mucosa. These amino acids help strengthen the gut lining, potentially reducing intestinal permeability (also known as "leaky gut").
• Marine collagen has been shown to have anti-inflammatory properties, which can help reduce gut inflammation, especially in conditions like irritable bowel syndrome (IBS) or inflammatory bowel disease (IBD).
  
• Collagen is a key component in the production of gastric juices and other substances that aid digestion. It can also support the healing of gut tissues and improve nutrient absorption.
  

Studies, like this one on PubMed, demonstrate the potential benefits of collagen peptides, including those from marine sources, in supporting gut health and promoting intestinal mucosal protection.

However, while there is promising evidence, more research is still needed to fully understand the extent of its effects on gut health.

Yes, both pollock and haddock are generally considered to be low in mercury compared to many other types of fish. This makes them safer choices for frequent consumption, especially for pregnant women, children, and those concerned about mercury exposure.

Here’s a bit more detail:

• Pollock is a small fish with a short lifespan, which means it doesn't accumulate mercury as much as larger, longer-lived fish. It is often used in processed fish products like fish sticks or imitation crab meat (surimi).
• Haddock is also a smaller fish and typically found in colder waters. Like pollock, it has a shorter lifespan, which reduces its mercury accumulation. It's often used in dishes like fish and chips.
  

In general, smaller fish or those with shorter lifespans tend to have lower mercury levels than larger, predatory fish like tuna, swordfish, and shark. If you're concerned about mercury exposure, both pollock and haddock are great options for a fish-rich diet.

As always, review our COA for more information about heavy metal testing levels.